Dunno what you mean by waste, but you can make projects ranging from illustration series, comics, books, video, animation, merchandising, specially designed digital/physical products...
It's easy opening a Patreon or an Etsy store, what's difficult is what you do with it. You can rent a store space in the street, but that doesn't say anything about what you'll put inside to sell and whether or not you'll find your target customers.