It's no secret that you can buy anything on the Internet. Jewelry, clothing, groceries, car parts, computers, smartphones, antiques and basically anything else you can think of.
Collectors' items are also big in demand. The Internet makes it easy to connect people who want obscure items with people who own them.
As the phrase goes, "One man's junk is another man's treasure." If you can find the right buyer for something you have just lying around the house, you could walk away with a ton of money in your pocket.
Just ask the lucky sellers from the 11 most expensive eBay auctions ever. You won't believe some of these items that went for millions, and the most expensive item ever sold will blow your mind!