you've got to be passionate about the products that you're selling.. for example, i wouldn't sell children clothes that i wouldn't put on to my own children.. because if i dont love them, i'm pretty sure others won't too.. always updated with what's in and what's out.. have an eye for a taste also very important.. good quality pictures also plays significant role.. but most importantly, good quality of the real products as well.. this way customers are coming back for more of your products and not feel cheated by the pictures only.. very simple concept.. u'll be surprised at how far these people are willing to pay for these clothes