I Accidentally Found a Boring Skill Making $3K/Month

There is a woman selling one file on the internet. She sells it for $25 a copy. She has made over 17,000 sales since 2014 with no YouTube channel, no ad budget, and no audience to speak of. Her shop has done over $850,000 in lifetime sales. That works out to roughly $3,000 a month, every month, for the past 10 years. And the skill behind it is something millions of working adults use at their desk every single Monday morning without once thinking it could be worth money to someone else.

Her name is Janet LeBlanc. Her shop is papersnsparks.com. And the thing she figured out, mostly by accident, is the same thing that could change the math on what you already know how to do. If you have ever looked at a file on your hard drive and thought, “Nobody would pay for this,” this post is specifically for you. Because Janet did the math, and then she did it for 12 years in a row.

What You’ll Walk Out With

The exact math behind Janet’s $3,000-a-month file business
Who Janet LeBlanc is, what she actually sells, and how 17,000 customers found her
Why boring skills have far less competition than tech or AI skills
The product naming pattern Janet quietly runs across three listings for one file
Four diagnostic questions to tell you whether your boring skill is already a product
A realistic three-step plan you can start this weekend, with honest timelines
The honest drawbacks, because this is slow and most people give up before the compounding starts
Not sure which skill to sell? Take the free Side Hustle Finder at finder.platformproof.com

The Math on One File and One Weekend

Before getting into who Janet is, it helps to sit with the numbers for a moment, because the numbers are what make this feel real instead of theoretical.

$25 times 120 sales equals $3,000 a month. That is four sales a day on a single listing. Not four hundred. Not forty. Four. She put the listing up on a weekend sometime in 2014, and the math has worked out to roughly four sales every day since then.

The $3,000 number is her floor. Her shop has cleared over $850,000 in total lifetime sales. If you average that across the 120 months she has been selling, you are looking at closer to $7,000 a month. But the number that matters most for someone starting today is not the 12-year average. It is the number she was already hitting inside her first year: $3,000 a month. That is what the math looks like before compounding takes over. That is the starting point, not the ceiling.

And the file? It is a bookkeeping spreadsheet. Not an app. Not a course. Not a membership. One file she built for herself first, formatted into a template, and listed on Etsy for $25.

Who Janet LeBlanc Is

Janet’s day job was being an accountant. On the side, she was an Etsy seller making jewelry. At some point, other Etsy makers started asking her how she tracked her shop income for quarterly taxes. She explained it for free, over and over, until she got tired of explaining and decided to write it down once instead.

In 2014, she packaged her bookkeeping system into a spreadsheet built for one specific buyer: the Etsy seller who is about to file quarterly taxes and has no idea how to track income across the year from one platform. She put it up on her shop. People found it. They bought it. They kept buying it.

Twelve years later, her homepage at papersnsparks.com shows 17,000-plus customers. She has been featured on the podcast Gold City Adventures. She was not building a personal brand the whole time. She was just showing up in the search results when someone with a real tax deadline typed the exact phrase her listing answered.

The skill was accountant-level bookkeeping applied to a very specific and underserved buyer. The product was an Excel and Google Sheets template. The price started at $25 and has ranged up to $40 to $60 depending on the listing. The outcome was 10-plus years of consistent monthly income from a single product category.

Why She Has 17,000 Customers When Nobody Told Her To

The first assumption most people carry into this conversation is that a skill needs to be impressive to sell. It needs to be AI. It needs to be tech. It needs to be something a 23-year-old on TikTok would describe as cool. Janet’s story breaks that assumption in the clearest possible way.

Boring is the industry with the lowest competition. The cool industries, the AI agencies and the faceless YouTube channels and the drop-shipping plays, each have thousands of sellers competing for the same small group of buyers. The boring spreadsheets and checklists and standard operating procedures that nobody on YouTube is bragging about? Those shelves are mostly empty.

Janet was not in a crowded market. She was in a market where the demand was real (quarterly taxes are not optional) and the supply was almost nothing (most accountants do not package their knowledge and list it on Etsy for $25). That is not luck. That is just where she happened to point her skill.

Working adults who have spent years building the file that everyone in the office depends on are sitting on that same kind of demand. The co-workers who keep asking the same question are not just annoying. They are a tiny market that has already told you what they would pay for.

The Product Naming Pattern She’s Been Running Since 2014

This is the part worth reading twice, because it is the one move that unlocks most of the traffic without any ads or social media posting.

Janet does not have one product. She has three listings. The Etsy seller spreadsheet. The Shopify seller spreadsheet. The eBay seller spreadsheet. It is the same underlying file. It is the same skill. It just has three different names because three different types of buyers search three different phrases.

Nobody on Etsy is searching for “bookkeeping spreadsheet.” They are searching for “Etsy bookkeeping spreadsheet.” Nobody on the Shopify side of things is searching for “bookkeeping.” They are searching for “Shopify bookkeeping.” The listing name is not a title. It is the answer to a search that already has a buyer behind it.

The rule that comes out of this pattern is: do not sell the skill, sell the tool the buyer is already searching for. If you have a project management template, you do not list it as “project management template.” You list it as “Asana status report template” and separately as “Notion status report template.” Same file underneath. Different searches. Different buyers who feel like the listing was made specifically for them.

The reason this matters so much is that it removes the need for a big audience. Janet’s primary traffic source is Etsy’s internal search. Real buyers, sitting at their kitchen table on a Sunday night with a tax deadline in three days, type the exact phrase her listing answers. She is there when they search. She does not have to chase them anywhere.

Four Questions That Tell You If Your Boring Skill Is Already a Product

Most people have a hard time seeing their own boring skill as something worth selling. That is not modesty. That is familiarity. When you have done something for five or ten years, it stops looking like a skill and starts feeling like breathing. These four questions are the fastest way to see past that familiarity.

Question 1: Is there anything at work where co-workers come to you instead of the manager? It does not matter how small. If three different people walked up to your desk in the last year with the same question, that is not a coincidence. That is a market showing you exactly what it wants.

Question 2: Could a new hire do this in one day? If the answer is no, there is a gap between day one and right now where you learned something nobody formally trained you on. That gap is the skill. That gap is the product.

Question 3: Could you write it down or screen record it between Friday night and Sunday afternoon? Just the version that gets someone else to the same answer you reach. If yes, it is already a product. If not, it is probably too big and needs to be scoped down to one specific outcome.

Question 4: Have you stopped seeing it as a skill because you have been doing it so long? This is the hardest one to answer honestly. The thing you do without thinking about is almost always the thing somebody else would pay $25 to learn. Familiarity is not a sign that it has no value. It is a sign that you have been doing it long enough to have real depth.

If three of those four are yes for something in your daily work, you have the boring skill that sells. The question is just whether you will build the file or keep explaining it for free to co-workers for another year.

Step One: Pick the Boring Skill, Not the Cool One

The first move is the one where most office workers flinch. Not because it is hard, but because it feels too small.

Pick the boring skill. Not the AI play. Not the one you think sounds impressive on LinkedIn. The one you have been doing at your job for so long that you stopped counting it as a skill. The formulas in the spreadsheet nobody else understands. The checklist that makes the Friday close take 20 minutes instead of two hours. The template that the new hire would spend six weeks trying to reverse-engineer if you left tomorrow.

That file. That is the one.

Boring works because boring is uncrowded. The cool industries have 10,000 sellers fighting for the same handful of buyers. The boring spreadsheets and procedures have almost no sellers and a steady stream of buyers who have a real problem and a real deadline and a very low bar for what they need to fix it.

Step Two: Where to Put the File So People Can Actually Pay for It

Once you have the file, the next question is where to list it. The easiest starting point is Gumroad.

The whole setup takes about 30 minutes. You upload the file, write the description, pick the price, and you are done. Gumroad also captures the buyer’s email address, which means you own that customer relationship and can reach them directly when you add a second product later.

Janet sells primarily on Etsy, and the reason is specific: her exact buyer, the Etsy maker, is already searching on Etsy for bookkeeping help. If your buyer has an obvious home online, a platform where they already go to search for exactly what you built, list there as a second storefront on top of your Gumroad. If your buyer does not have an obvious platform home, start on Gumroad and drive traffic to it from search and pins.

The general principle: your own listing first, the marketplace second. Gumroad is the anchor because it means you own the email list. Etsy, or wherever your specific buyer already searches, is the amplifier because it puts you in front of buyers who are already looking.

Step Three: Where Buyers Actually Come From

This is where most people get it wrong, usually because they follow advice that works for influencers and not for file sellers.

Janet’s primary traffic is Etsy’s internal search. She is not chasing anyone. She is sitting in the search results when a buyer with a real deadline types the phrase her listing answers. The buyer is already motivated. The search is the qualifier. Her listing is just the right answer at the right moment.

Her secondary traffic source is Pinterest. She creates pins with titles that name the time suck out loud. Things like “the spreadsheet that does your Etsy taxes for you” or “stop dreading the Etsy quarterly.” Those pins link straight to her Shopify product page. No chasing, no posting daily content, no engagement loops. Just pins that match what motivated buyers are already searching for.

If you list on Gumroad, Pinterest does the same job. You make pins that name your buyer’s exact problem and link to your listing. The buyer finds you because they were already looking. You show up because the pin title matches the phrase they typed. That is the whole traffic strategy for a file business at the $3,000-a-month level.

The Honest Timeline

Week one is probably zero sales. You will be setting up the listing, fixing the title, and figuring out what screenshots actually show the product clearly. That is normal and not a signal that something is wrong.

The first three months are for testing. Testing the title. Testing the description. Testing the keywords. Testing the pin design. This is the part that takes real patience, because the search algorithms need time to index your listing and the Pinterest algorithm needs time to show your pins to the right people. Most people quit during this window because nothing visible is happening. The ones who do not quit are the ones who are still around when the compounding starts.

Janet hit her first $3,000 month inside her first year. The $7,000 average is what 12 years of paying customers looks like. The gap between those two numbers is not strategy. It is time. Boring but consistent beats impressive and sporadic. That is the pace.

The upside is that once the listing is working, it keeps working without much from you. Janet has barely touched the original listing since she put it up. It has made money every month for 10 years because the problem her file solves has not gone away and the search phrase that brings buyers to her has not changed either.

Not sure which boring skill to package first?

The free Side Hustle Finder asks you a few questions about what you do at work and what you do on weekends, then points at the one skill that is already closest to a sellable product. No credit card needed. Take it at finder.platformproof.com.

Honest Drawbacks

This model works, but it is slower than most people want it to be. Here is what the honest version looks like.

The first three months will feel like nothing is happening. Search takes time to index your listing. Pins take time to get shown. You may go the first 60 days with zero sales and have to make peace with the fact that you are in the testing phase, not the earning phase. If you need money in 30 days, this is not the right model for that timeline.

One file is usually not enough to build a business on its own. Janet built a small catalog: Etsy seller, Shopify seller, eBay seller. They are three expressions of the same skill, and together they cover more of the market than one listing does. The first file is the proof of concept. The second and third listings are where the income starts to stack in a meaningful way.

The naming matters more than most people expect. A listing with the wrong title does not show up in the right searches, which means it does not get found, which means it does not sell. Getting the title right is a real skill, and it usually takes iteration across the first few months. If your file sits at zero sales for 90 days, the first thing to check is whether your listing title actually matches what your buyer is already typing.

Gumroad takes a cut. As of the time the video was made, the platform fees exist and they are worth knowing about before you set your price. Price accordingly, and do not treat the listed price as pure profit without checking the current fee structure for the platform you choose.

The boring skill has to be genuinely useful, not just something you know. The test is whether someone with a real deadline would pay $25 for it. If the answer requires you to think hard, the skill might need more scoping. The buyer’s problem has to be specific enough that your file is the obvious answer when they find it.

Find Your X

Janet knew her skill was bookkeeping. Most people reading this have the equivalent sitting on their hard drive right now. The problem is not that the skill does not exist. It is that familiarity makes it invisible.

The free Side Hustle Finder at finder.platformproof.com is built to cut through that familiarity. It asks you about what you do at your job and what you do in your spare time, then points at the one skill that is already positioned to become a product. If you watched the video and still cannot tell which of your skills to package first, that is the right place to start. It takes about five minutes and does not ask for a credit card.

Frequently Asked Questions

Do I need an Etsy account to do what Janet did?

No. Etsy worked for Janet because her specific buyer, the Etsy seller, was already searching there. If your buyer does not have a home on Etsy, Gumroad is the faster and simpler starting point. You upload the file, write the description, pick a price, and you are live. The key is matching your listing platform to wherever your buyer is already looking, not copying the exact platform Janet used.

What types of files actually sell on these platforms?

Spreadsheet templates, checklists, standard operating procedure documents, planning worksheets, and financial trackers are all categories that sell consistently. The common thread is that they solve a specific recurring problem for a specific type of buyer. Abstract or general purpose files tend to underperform because buyers cannot immediately see what problem it solves for them personally.

How do I price a spreadsheet or template I built myself?

Janet’s price point of $25 is a good starting anchor for a single-purpose file. The math works at $25 because even modest sales volume adds up to real monthly income. You can price higher if the file saves a significant amount of time or solves a problem where the cost of getting it wrong is high. The $40 to $60 range her shop shows for some listings reflects a more comprehensive template. Start at a price you would not feel embarrassed charging and adjust based on what the market actually does.

What if someone asks for a refund or says the file does not work?

Both Gumroad and Etsy have refund policies and dispute resolution processes. The practical answer is to make the file as clear and easy to use as possible before you list it, include a short instruction note inside the file itself, and handle legitimate refund requests generously. One refund is not a crisis. It is feedback that your instructions may need to be clearer for a specific type of buyer.

Can someone just copy my file and sell it themselves?

Yes, in theory. In practice, it is not the main problem most file sellers run into. Your search ranking, your customer reviews, and your listing age all work in your favor against someone who copies you and lists late. You also own the relationship with 17,000 buyers, as Janet does, which is not something a copycat inherits. The bigger risk is never listing at all because of fear of copying rather than actually getting copied after you have built something real.

Do I need Pinterest to make this work?

Pinterest is Janet’s secondary traffic source, not her primary one. Her primary is Etsy’s internal search. If you are listing on a platform with strong internal search (Etsy, Gumroad’s discover feature), start there. Pinterest is worth adding once your listing is dialed in because it extends your reach to buyers who are searching on Pinterest rather than directly on the selling platform. But it is step three, not step one.

What if my work skill is too niche for anyone to buy?

Niche is usually an advantage, not a problem. Janet’s buyer is extremely specific: the Etsy seller who needs bookkeeping help before a quarterly tax deadline. That is a narrow description. But there are enough Etsy sellers with quarterly tax deadlines that 17,000 of them have paid her. The question is not whether your niche is too small. It is whether the problem is real and recurring. If people face it repeatedly and have a deadline attached to it, the niche is probably large enough to sustain the math.

How long before I can expect the first sale?

There is no reliable answer because it depends on how quickly the search algorithm indexes your listing, how competitive your specific search phrase is, and whether your title matches what buyers are actually typing. The honest range is anywhere from a few days to a few months. What is consistent in Janet’s story is that she hit $3,000 a month inside her first year, not her first week. Set your expectations around months, not days, and use the time to refine the title and listing rather than checking the sales dashboard every hour.

Sources

Janet LeBlanc’s shop: papersnsparks.com (17,000+ customers stated on homepage as of video recording)
Janet’s featured interview: Gold City Adventures podcast
Alston Godbolt, Platform Proof YouTube: “I Accidentally Found a Boring Skill Making $3K/Month” (2025)
Free worksheet for this video: notes.platformproof.com
Free Side Hustle Finder quiz: finder.platformproof.com

Helping 1 million working adults make their first $3,000 online with the skills they already have. Alston Godbolt, Platform Proof.