A few weeks ago I wrote about the costs nobody checks: what turned up when I finally put my own Etsy shop's numbers next to my Printify costs. A shipping profile charging buyers $23 for something that cost me about $9. Over 100 live listings with no Printify product behind them. Sales that lost money outright.
The tool I built to find all that is now something you can use on your own shop. It's called KilnWorks.
The problem it solves
If you sell on Etsy and fulfill through Printify, your numbers live in two places. Etsy knows what the buyer paid and what Etsy took in fees. Printify knows what the product and the shipping actually cost. Neither one shows you the answer you care about: what did this listing actually earn me?
So most sellers estimate. They set a price once, add a margin that felt right at the time, and move on. Then Printify changes a base cost, a provider changes shipping rates, a product gets discontinued, and nobody notices, because each system looks fine on its own.
That gap between the two systems is where the money goes.
What KilnWorks does
You connect your Etsy shop and your Printify account. KilnWorks syncs them in the background and works out the real profit on every sale: revenue, minus Etsy's fees, minus what Printify actually charged to make and ship it, with refunds left out.
Then it goes looking for the problems I found in my own shop:
- Margin Audit flags listings that fall below your target margin (25% by default) or lose money on each sale, and suggests prices.
- Shipping Profile Audit compares what buyers pay for shipping with what Printify really charges, destination by destination, and shows the worst case for each profile.
- Catalog Check finds live Etsy listings with no Printify product behind them, the ones still sitting in search waiting for an order you can't fulfill. It checks variant availability against Printify's live catalog on every sync, too.
- SEO score rates each listing from 0 to 100 against Etsy's best practices and names the two changes that would move it most. An AI listing assistant can draft a new title, tags and description, and nothing goes back to Etsy until you approve it.
Every listing gets a plain label: Boost, Fix First, Rating Risk, Monitor or Leave Alone. That last one matters as much as the others. Half the value is knowing what you don't need to touch.
There's more (trends, a conversion funnel, ad spend return and a monthly report you can hand to a client or a partner) but the point is simple: it tells you where to put your time.
Who it's for
KilnWorks is for you if you sell on Etsy, fulfill through Printify, run your shop as a business and have more listings than you can track by hand.
It's probably not for you if you don't use Printify (it runs without it, but the best half goes dark), if you only want keyword research (EverBee and eRank do that well), or if you have three listings. You can check three listings with a calculator.
What it costs
One plan with everything in it: $24 a month, or $228 a year (two months off). No feature tiers, unlimited listings and syncs.
You don't have to decide up front. Start with a free First Look, with no card needed: connect your shop and see what it finds. If it doesn't show you something worth more than the subscription in your first week, email me and I'll refund it in full.
Why I'm telling you about it here
Most of what I write here is about technology leadership: budgets, risk, and decisions that drift because nobody owns them. KilnWorks is the same idea at the scale of a small shop. Two systems, each correct on its own, and a problem that only exists in the space between them.
I built it because I needed it. I use it on my own shop, and I run it myself, so if you try it and something's wrong or missing, you're talking to the person who can fix it.
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