Dollar Tree is known for offering a majority of its items at reasonably low prices, and even with its items' base prices jumping up to $1.25 now instead of $1 (via MarketWatch ), you can still find some nice products for a pretty great deal. Among the items you should buy from Dollar Tree, you will find party supplies, greeting cards, socks, vases, and hair accessories, to name a few. However, not all of their products are a good bargain or even good quality. Business Insider lists some things you should not buy from Dollar Tree, including electronics, pet treats, canned food, knives, makeup, medicine, and batteries. The biggest reason to avoid these items is their low quality which could lead to health and safety issues — especially when it comes to food. One person shared on TikTok some food items that she recommends avoiding on your next trip to Dollar Tree.