While buying a new mattress can feel overwhelming, we promise it doesn’t have to be a days-long process you have to agonize over. Sure, you want to consider your sleeping position, budget, and preferred firmness level, but once you figure out what you need, you don’t necessarily have to spend hours surfing every bed-in-a-box retailer out there. If you don’t already have your eyes on a brand, Amazon can actually be a great place to start your mattress search. And not only is it super convenient, with pages of Prime-eligible buys, it’s also a great place to save big. All our picks for mattresses are under $600, and most are under $300. And these affordable options still have a lot to offer —you can get a cooling mattress or one ideal for most sleeping positions for around the cost of a new pair of designer jeans. Keep on scrolling to see Amazon’s most popular sleeping options with a near-perfect rating, all with at least 4,000 reviews. We did all the hard work for you, you don’t even have to sleep on it to find the perfect one to add to cart.