homedics 12″ memory foam mattress $140 twin $160 full $180 queen $230 king + free shipping

i purchased this last black friday queen for $199 looks like prices are better today.
https://www.walmart.com/ip/HoMedi…s/38241596
Twin: $139.99+free shipping (was $299)
Full: $159.99+free shipping (was $329)
Queen: $179.99+free shipping (was $399)
King: $229.99+free shipping (was $499)