Art in videogames

So as most of you, I am building my own videogame as 1. a passion project which i'd like to play and 2 something that will hopefully help me quit my soul draining corpo job. Now I'm ok in terms of technical ability/narration/systems etc but I really do suck at art and I don't want to use Ai for art. So my question is, where does one start looking for artists and how much should I expect to pay? And I mean the whole suite ? So going from Ui elements, to maps, characters etc (a 2D game ) . I know without understanding too much it's hard to give an exact estimate.. but I'm looking for some guidance on how to talk with an artist. I'm also curios if anyone went in and proposed a deal in which I don't know , he does the art, get's co-creator and % of your game so basically he has a stake in the game as well .