Ebay offers Tulo by Mattress 8" Firm Hybrid Memory Foam and Coil Mattress for $220 (reg $599.99) after code with free shipping.

Apply Code: BIGBRANDS20

Product Description:
As a firm mattress, the tulo 8” hybrid is great for back and stomach sleepers who need solid spinal support at night.

COMFORT: Medium and firm comfort foams offer just enough cushion for sleepers who prefer a firmer mattress.

HYBRID SUPPORT: The 6” fabric-encased coil support system offers a unique design that not only responds to your body, but reduces any partner disturbance, too.

CLEAN: Made with CertiPUR-US® certified foam and contains no harmful chemicals.

CONVENIENCE: Delivered straight to your door in an easy-to-unpack box.