Spring — Buy Cheap Box

If your slats are more than 4 inches apart, your mattress may sag into the gaps. Look for "mattress foundations" with more slats if you have a heavy foam bed.

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. buy cheap box spring

Zinus Armita 7-Inch. Highly recommended for those who want a lower bed height without sacrificing the look of a traditional box spring. The Trade-Offs: What You Sacrifice Cheap Box Springs Premium Foundations Slat Spacing Often 6+ inches apart; less support. Typically 2–3 inches apart; best for foam. Materials Thin steel or lightweight pine. Solid spruce, heavy-duty steel, or hardwood. Longevity May start to squeak or sag after 1–2 years. Often lasts 10+ years. Assembly Often required (DIY setup). Usually arrives fully assembled. Buying Advice If your slats are more than 4 inches

Box Spring vs Platform Box: Shopping Advice - Bedrooms & More While you can find options for under $100,

Many modern bed frames (platform beds) do not require a box spring at all, which could save you more money in the long run.

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.