I used to do my taxes out of a grocery bag. Not a shoebox, an actual plastic grocery bag with the handles stretched out from getting reused too many times, stuffed with gas receipts, a couple of costume shop invoices, and thermal paper so faded half of it had gone completely blank. Every March I'd dump the whole thing on my accountant's desk and tell her something like, "figure it out, I trust you."
She did not share my confidence.
She looked at the pile for a second, then looked at me, and said, "Roger. I can't deduct a mystery."
Fair. Completely fair. I'd spent an entire year assuming I'd remember what everything was for, and by tax season I couldn't tell you if a $40 receipt from a craft store in June was for a magic prop or my kid's science fair project. By the time she'd sorted through what she could actually use and tossed the rest, we'd left something like $600 in deductions on the table that year. Gone, because I couldn't prove any of it was real.
That's most of the lesson right there, honestly. But let's actually talk about what you can deduct, because most performers I talk to underclaim out of fear more than anything else. They're worried about an audit, so they don't claim the thing they're clearly entitled to, and the IRS ends up with more of their money than it should.
I Am Not a Tax Professional (Obviously)
Before I go further: I am a comedy hypnotist (and tech professional) for a living. I am not your accountant, I'm not a CPA, and nothing here is official advice for your specific situation, your state, or your business structure. What I can tell you is what I've learned doing this for years and from the actual professional I now pay to keep me honest every March. Go find one of those. Ideally someone who's worked with performers or other self-employed, irregular-income people before, because a generalist who mostly does W-2 returns will miss things that are obvious once you know this industry.
What Actually Counts as a Business Expense
Mileage. Every mile you drive for a gig, a rehearsal, a costume fitting, a prop-shopping run, a meeting with a client to walk through their event timeline, that's deductible. The commute to a regular day job doesn't count, but driving from your house to a performance and back does. The IRS sets a standard mileage rate every year and it changes, so look it up before you file instead of trusting whatever number you remember from two tax seasons ago. I log mine the day of, right in my phone, because if I wait until March I will have absolutely forgotten the eleven mile round trip to that one office party back in April.
Costumes and props. This is the one that trips people up, because the rule isn't "if I wear it for work, it's deductible." It's closer to: if it's not something you'd reasonably wear as regular clothing, it counts. A Santa suit, obviously, qualifies. A full clown costume, obviously qualifies. Where it gets murky is something like the sharp black suit a hypnotist or a close-up magician wears on stage, because technically you could wear that same suit to a wedding. I handle this by keeping a suit that's used for shows only, never worn anywhere else, and keeping a simple log of when it's cleaned and when it's used. That paper trail is what makes the deduction defensible if anyone ever asks. A top hat, on the other hand, nobody's arguing that's streetwear. Claim it without losing sleep.
Home office. This one requires a space used exclusively for the business, not the corner of the guest room that doubles as a kid's playroom on weekends. When I actually converted our spare bedroom into prop storage and a real desk and nothing else, no toys, no guest bed, that space qualified. Before that, when it was "sort of an office, sort of storage, sort of where the kids do homework," it didn't, and my accountant told me flat out not to try. Worth doing right, or not claiming it at all.
There's more beyond those three: association dues, convention travel, a portion of your phone bill if you genuinely use it for the business, website and marketing costs. But mileage, costumes, and the home office are where most of the confusion lives, and where most performers leave real money on the table out of fear of getting it wrong.
One more thing worth knowing exists, even if it's a conversation for your accountant and not this post: if you're bringing in real income as a performer, you may owe estimated taxes quarterly instead of just once in April. That one caught me off guard my first full year doing this full time, and it's a much smaller problem in January than it is when you find out about it in a June letter from the IRS.
Track It As You Go, Not in March
Here's what actually changed things for me. I stopped trying to reconstruct a year of expenses from memory in March, which is basically impossible, and started logging things the day they happened. Gas receipt goes in the second I'm back in the car. Prop purchase gets a note that same afternoon. It takes maybe ninety seconds a day, and by December I have a full, provable year instead of a grocery bag of evidence for a case I can't actually make.
You don't need anything fancy to build this habit. A spreadsheet works fine. A CRM built for tracking your business works even better, mostly because it keeps the expense attached to the client or the gig it was actually for, which is exactly the context you'll wish you had in March. The tool matters less than the habit does. Pick one and use it every week, not once a year in a panic with a grocery bag on your accountant's desk.