You’re booked three months out. The chair’s warm from 10 in the morning to midnight. Clients are tagging your work all over Instagram. Then you check the bank account and the number doesn’t match the hustle at all.
That gap is the whole story. Most shop owners are excellent artists who were never taught the money side, so they track what comes in religiously and treat what goes out like weather. You can’t fix what you don’t measure. Let’s measure it.

A packed schedule can hide a broken business
Profit margin is just the money you keep after every cost, divided by the money you brought in. Gross margin is what’s left after the cost of doing the actual tattoo, the ink, needles, gloves, and what you pay the artist. Net margin is what’s left after everything, rent and insurance included.
The reason a full book can lie to you is that fixed costs don’t move. Rent shows up whether you tattoo one client this month or fifty. So you can run flat out, watch revenue climb, and still hand most of it back to overhead and supplies without ever seeing it. The owners who escape that trap are the ones who can say their cost per hour out loud.
Where the money actually comes in
Ink in skin is the engine. How you price it decides whether the engine is pulling you forward or just making noise.
Three pricing models cover most shops. Hourly works for big, complex pieces where the scope can drift, so a sleeve that runs long doesn’t run you broke. Flat rates per piece work for flash and predictable custom, where you can call the time honestly up front. A shop minimum keeps a tiny tattoo from costing you money, because setup, breakdown, and supplies still happen on a coin-sized piece.
Underpricing is the most common mistake I see, and it’s almost always fear. Artists worry a higher number sends clients to the cheaper shop down the street. The thing is, competing on price mostly wins you price-shoppers, the clients who haggle hardest and tip least. Your number should reflect your skill, your market, and your real costs. That last part starts with working out a shop minimum that actually stays profitable on small work. And since deposits and card fees ride along on every transaction, running payments built for tattoo shops keeps that money tracked instead of quietly leaking out.
There’s also money you might not be counting. Aftercare is the easy one. You’re already telling every client what to buy. Selling them a kit at the counter, instead of sending them to the pharmacy, is margin you’ve already paid the overhead on. Branded shirts and stickers, art prints of popular flash, gift cards that put cash in your account now for work you’ll do later, piercing if you’ve got someone qualified, booth fees from guest artists. None of it needs more chair time, and it keeps money moving in January and February when the appointment book goes quiet.
Where the money goes back out
Two shops can pull identical revenue and keep wildly different amounts of it. The difference is cost control. Costs split into two buckets, and you manage each one differently.
Fixed costs hit every month no matter what. Rent is usually the biggest, and the location tradeoff is real: a street-level spot in a busy stretch costs more but feeds you walk-ins, while a quieter second-floor space saves money and leans harder on your marketing. Neither is wrong. Each just bends your margin a different way. Utilities, business insurance, licenses and health-department permits, any loan or equipment financing, your software subscriptions, all of it lands whether the chair’s full or empty.
Insurance is the one place I’d tell you not to shave. Tattoo-specific liability coverage is what stands between you and a lawsuit over a reaction or an infection. Going thin there is betting the whole shop on nothing ever going wrong.
Fixed costs are your break-even floor. Until they’re covered, every tattoo is just digging you out of a hole, not making you money. So review them quarterly. Renegotiate rent at renewal. Re-quote insurance once a year. Kill the subscriptions nobody opens. A cut there sticks around month after month.
Variable costs move with your volume. More tattoos, more supplies. Needles, ink, gloves, barriers, aftercare, it adds up faster than people expect, and a bigger or more detailed session burns through more of it. Buying in bulk drops your per-piece cost. Tracking what you actually use catches both waste and the supplies that walk out the door.
Artist pay is the other big variable, and the model you pick changes your whole math. A commission split, often somewhere around half to the artist, scales your labor cost with revenue, which is kind to cash flow but harder to forecast. Booth rent gives you a flat, predictable number and caps your upside when an artist is on fire. If you’re stuck between them, it’s worth reading how booth rent and commission each hit the bottom line and whether your split is actually fair to the people in your chairs.
Card processing skims a few percent off every swipe. Marketing swings with whatever you’re running that month. Track which channels bring paying clients through the door, and stop feeding the ones that don’t.
Running your own numbers
The formula is short. Gross margin is revenue minus your cost of goods, divided by revenue. Net margin is revenue minus everything, divided by revenue.
Here’s it working on real money. Say you do 50,000 dollars in a month. Supplies and artist commissions come to 20,000, so your gross profit is 30,000, a 60 percent gross margin. Then fixed costs take another 12,000. You’re left with 18,000 net, around a 36 percent margin. Plug in your own figures and the picture stops being a feeling and starts being a number.
A handful of numbers are worth checking every month: revenue per artist, average ticket size, how many inquiries actually become bookings, your no-show rate, and supplies as a percentage of revenue. These flag trouble before it’s a crisis. A sliding average ticket means you’re drawing smaller jobs. A climbing no-show rate is your deposit policy asking for attention. Supplies creeping up is either waste or something walking off. Gut feel misses all three. The pattern doesn’t.
This is where the software earns its keep. A tool built for tattoo shops links the appointment to the payment to the supplies used, so margin shows up in real time instead of as a nasty surprise at tax season.
Making the margin bigger
Two levers, that’s it. Make more or spend less, and the strong shops pull both.
On the revenue side: nudge prices up a little every year, because even a small bump stacks into real money over twelve months. Cut no-shows with deposits and automatic reminders. Sell the aftercare. Book tight so you’re not bleeding dead time between clients. Add the side income that fits your shop.
On the cost side: lean on suppliers for bulk pricing and better terms, drop the software you forgot you’re paying for, re-quote insurance yearly, watch supply usage for overages, and trim the energy bill where the building lets you.
Deposits do double duty here. Money in your account before you pick up a machine, and protection against the no-show that just cost you a slot you could’ve sold.
The trap to name out loud is volume for its own sake. Ten 100-dollar tattoos, each with a full setup and teardown, can net less than three 400-dollar pieces, even though the schedule looked heroic. Measure profit per hour, not per appointment. Some weeks the smartest move is turning down the small stuff.
Run that on a real example. A 50/50 split on a 500-dollar tattoo leaves you 250 gross. Knock off 50 in supplies, spread it over two hours, and you’re at 100 an hour before rent even enters the room. Do that math on your actual bookings, not a hypothetical, and you’ll see exactly which work is carrying the shop and which is just keeping you tired.
Your art deserves a business solid enough to hold it up. If you want the tracking to run itself while you stay on the machine, start with Apprentice and let the numbers keep themselves.
Jason Howie
Founder & CEO
Jason Howie is the founder of Apprentice, passionate about empowering tattoo artists and shops with better tools to manage their business and serve their clients.