I tried Etsy, but they required something to sign up that I didn’t have, but I cannot remember what! Lol. So I ended up using ShopHandmade, which is really user-friendly and easy to set up, and that is where I’ve set up my shop “Laughing Flamingos” where I sell my crocheted items. Can’t say much for Etsy since I’ve not gotten to use them myself, but I think your best bet would be to read some of the articles on Etsy about how to get exposure and have an appealing shop. I read about how to really set up a good shop for days before attempting to set up on Etsy and found a lot of the information useful. There are tons of bloggers who’ve written info that could help.
It’d help to know what you’re looking for… How to title your stuff to sell best? There’s so much in this arena that you might be better off doing a search on exactly what you’re looking for and reading up on what experienced sellers have to say.