Answer All Your Questions about Taobao, Weidian and Shopping from China. Search previously asked questions or browse by category below.
The only thing that's protecting you as a customer is that the sellers can't afford to lose their reputation by scamming you. If they scam just a single person it will almost always completely ruin their reputation.
So you should find sellers that have lots of reputation to lose. That's what the trusted sellers list is there for, and all trusted agents, especially the premium agents, fall into the same category.