Not an expert but lots will do cover-ups for those types of tattoos (nazi, some gang and general hate symbols) for free.
https://www.cnn.com/2021/04/01/us/tattoo-artists-kentucky-covering-hate-symbols-cnnheroes
Also heard some have to learn what is and isn't off limits simply so don't accidentally give someone a gang symbol, but could be more of a regional thing on that.