If you’re unfamiliar with it, Dollar Tree is a chain of dollar stores around the country that have some of the best prices around. If you’re a frugal person, it’s also one of the greatest places on Earth. If you’re looking for a cheap way to refurbish your house or some supplies for a DIY project, it’s a great place to go. Above all, Dollar Tree is a place to save money. With that said, there are plenty of great deals at these stores… but there are also plenty of things that you should avoid. With that in mind, we’ve compiled a guide to help you make the right decisions. With no further ado, here are 40 things that you should always get at Dollar Tree—and 15 things that you should steer clear of.