I want to start a pet recolor shop but I'm confused on where to put it.

I thought the Art Market would be the place to post, but I checked the rules and noticed this statement:

"You may not sell/auction/give art that you did not create. Likewise, you may not post art that you did not create and claim it as your own. Do not steal art from any source, or attempt to redistribute stolen art. This can include, but is not limited to, manipulations or derivations of art, images, etc. not wholly created by you. This is considered art theft and doing so will result in disciplinary action. All works MUST be created by you."

Now I'm worried. Help! Where do I advertise my shop???

submit a ticket. We can't really help you with a rules question, our answers would only be guesses.

i used to offer recolor & minor edit overlays in the profiles & graphics market.