For the U.S., keep a spreadsheet, usually date of work and gross total charged (how much the customer paid) is enough. Keep a separate spreadsheet on expenses (like subscriptions to programs or new tools bought). If you pay rent or pay for housing... (1/3)
It seems like there’s a lot of tutorials on how to price commissions, get clients, how to advertise, etc.
But I’ve never seen one where people talk about what you legally are required to do before you take any as an artist doing commissions