Come 2020 my bed that I bought in 2016 was all saggy and crappy, and so I bought a new one. I'm not complaining about the 2016 one. That was the most dirt cheap one I could find, since I had little money to spend in 2016. So I bought a nicer one in 2020, right in the middle of the pandemic. It's a queen-size, the size I prefer, but now it's sagging. It sags on the left side, the side I prefer to sleep on. I'm super disappointed that it's already sagging after only 2 years. I don't remember exactly what I paid, but it was a local Omaha, NE company, and it was probably $400 - 500. It felt like excellent quality when I first got it. It was a nice queen-size mattress and corresponding box spring. I loved it when I got it. I hate it now that it sags so much.
Makes me think maybe for a quality bed you simply have to invest more. I've been looking online at extremely respected, high-end beds, the brands of which are Tempur-Pedic and Purple (links below). Is that what I need to do? If I need a bed that is cozy-comfy and will last, do I need to just put up a much bigger chunk of change for something higher end? I've heard great things about both Tempur-Pedic and Purple. The other one you hear a lot about is the Sleep Number bed, but I don't know that the bed needs to be adjustable like that.
links:
https://www.tempurpedic.com/
https://purple.com/