Walmart discounts the Linenspa 6" Innerspring Mattress-in-a-Box in the sizes listed below. Plus, these items bag free shipping, although select options receive an additional discount via in-store pickup. The deals:
  • Twin for $70.20 via pickup ($9 low)
  • Twin XL for $81.59 ($4 low)
  • Queen for $109.34 ($9 low)
  • King for $136.75 ($9 low)
  • California King for $120.24 ($70 off)
Need a Full Size? Amazon offers it for $98.61 with free shipping ($19 low). Amazon also matches or charges a close price on other sizes.