If you haven’t seen a box spring in a while, it’s not your imagination—a mattress expert breaks down when you might need this ...

New mattress and box spring sets can cost from around $500 to more than $5,000, depending on the manufacturer, bed size, special features, and how diligent you are about shopping for deals.

So to help you find the best box spring or mattress foundation for your particular setup, ... Zinus Quick Lock Smart Box Spring - Queen, 7.5-inch. $175 $175 Material and flex level: ...

A queen size Casper One is costs $1,245 at MSRP, but with Labor Day sales starting early this deal brings Casper's cheapest mattress in a box down to $799 for a queen. You'll also get free ...

Right now the brand is offering 25% off - the biggest sale we've seen from them - bringing the Ritz-Carlton mattress and box spring down to $2,970 in a queen (was $3,960). This is a saving of ...