Business of a New Freelance Makeup Artist

[MUAbyKee]

As a beginning freelance makeup artist, is it necessary to charge taxes and file taxes dealing with small gigs here and there? I've started Business Unit 1 and there is a lot of things one has to do start a business, but I am not sure if that really pertains to a freelance makeup artist just starting out. Would I find myself in legal trouble if I don't charge or file taxes pertaining to the makeup jobs? Someone please help me out here!