Well...I sold my first pair through the site. What a hassle free experience.. posted my shadow 1's this past Thursday night at a lower price than the last sale price and by Friday afternoon someone had bought them. After being sold I immediately got an email with everything laid out to me, the fees, shipping and the amount I was going to be paid out plus a button I can click to print out the shipping label. You have 2 business days to send them out. On Monday I put them in a box and dropped them at a UPS store... They received them this morning and authenticated them... and got my money through Paypal.
The same day my shadow 1's were sold I noticed there was a bid out for the playoffs 11 (2012) at good price.. Decided to sell them on Monday..expecting the same experience when they get them.
I honestly sold both sneakers at a higher price than I thought I was going to get for if I sold them through eBay.. I think the fee is a little high but it's a peace of mind to know that you're not going to get screwed by anyone.
The site right now seems to be great for really sought out sneakers or popular sneakers but I think some prices that people ask for some sneakers will make some people run away from the site. I hope it really catches on with a lot more people.