Are you running low on inventory? If that’s the case, you may need to get some more things to sell in your eBay store. One popular way to find this inventory is to go to yard sales, but in the winter months, there aren’t a lot of these sales, so you might not be able to pick up an excellent find that will make you a lot of money. If you’re really good at selling things, you may want to try selling other people’s things on commission.