You Get What You Pay For
Thanks to eBay, a lot of people have made a healthy profit by cleaning out their basements and attics. On the other hand, collectors have gone broke submitting winning bids to own these rare items. We've found some of the most surprising sales of otherwise common items, not only on eBay but from professional auction houses, too. In some cases, a company made a one-of-a-kind item designed to fetch a high price, but most are collectibles that grew in value naturally.
Related: 20 Ways to Sell Your Clutter Quickly (and Safely) Online