2 articles about Sell-through.
How Much Can I Sell This For? Check eBay Sold Listings
Asking prices tell you what sellers hope for. eBay sold listings tell you what buyers paid. Here is how to turn them into a price and a floor.
How Much Can You Make Reselling? Work Backward from a Goal
Skip the big income claims. Pick a monthly profit goal and work backward to the items, hours and cash it really takes.