Buying a "cheap" box spring today often means choosing between a traditional coil foundation and a modern "smart" metal base. While you can find options for under $100, the "review" of this category is a mix of high value for some and long-term frustration for others.
Zinus WonderBox / Smart Box Spring (~$70–$110). It features a steel frame that snaps together without tools. Reviewers praise its silence and durability, though some note it can run slightly narrow for certain mattresses. buy cheap box spring
Many modern bed frames (platform beds) do not require a box spring at all, which could save you more money in the long run. Buying a "cheap" box spring today often means
Amazon Basics Smart Box Spring (~$80–$100). This all-steel foundation is highly rated for ease of assembly. Note that it has a weight limit of 350 lbs, making it better for solo sleepers or children rather than heavy couples. It features a steel frame that snaps together without tools