Community-described DIY mattress builders (e.g., Arizona Premium Mattresses components) DIY modular latex/coil mattress system (topper + replaceable layers)
8/10
Reddit consensus supports modular latex-based mattresses as long-lasting, mainly because sagging is often localized to top comfort layers that can be replaced. Reports of 6–10+ years durability are common, though foam/heat and partner comfort preferences remain recurring constraints.
