Right now I only have a few, but I keep forgetting most of them exist since I don’t run them. I have a bridal shop, so my sims have to spend money on a wedding dress (and they don’t have to cook their own wedding cake).
For the ones I forget to use, I’ve got a Winterfest shop where they can go buy trees and decorations. There’s also a miscellaneous mall shop that I downloaded that’s too huge to realistically play with. I may need to downgrade it to some of the ideas in this thread! There’s also a souvenir shop in Sulani.
My current save is a legacy so I’m not as concerned with the shops right now, but when I was using my rotational save I was trying to fill out more stores for that added realism.