Many of these 30 cents button / iPhone cable sellers are usually users with less feedback as well, and they need a cheap way to gain more reputation in Aliexpre

Many of these 30 cents button / iPhone cable sellers are usually users with less feedback as well, and they need a cheap way to gain more reputation in Aliexpress or eBay. This is a way to do it and as you get more completed transactions, your seller account gets upgraded and gets better rates. I Won't touch the shipping part which I think is already well covered in the comments.