I have never really had any problem selling anything on ebay or other auctions sites. First, since I don't buy junk, I am never trying to sell junk. My sales are always of things that are at least of VG+ quality.
Second, I know my stuff, and know exactly what a fair and reasonable price for it is. So, I list it at that fair price less 5%.
That starting price always attracts attention, and weeds out window shoppers. I generally have 2 or 3 people bidding on it, and the bidding almost always goes to the fair and reasonable price plus 5 to 10%. My stuff doesn't sit there with no offers week after week.
I have sold items in the $5,000 plus range, from my other hobby, using this system, without any problems.
Mannyrock