One great thing about the internet are the buy-and-sell sites that exist on it. Classic buy-and-sell sites like eBay and Craigslist allow people to sell things far and wide that they don't need anymore. Facebook marketplace is another very popular buy-and-sell platform.

While these places do a lot of good by allowing people to make some cash and find things at a deal, they also bring a lot of chaos. Because anyone can post just about anything, there are some truly bizarre listings that pop up. They say that one man's trash is another man's treasure, but there must be a point where something is just considered trash. Reddit's /r/crackheadcraigslist is a subreddit where people post all of the strangest things they have found for sale online. From homemade knick-knacks to entire planes, there are a lot of things people are trying to get rid of. Here are just 25 of those interesting items that are likely still available.