As one of its daily deals, Sears offers the Serta Karlie Firm Full Mattress
in Off White, model no. 030861330, for $399.99. Coupon code "SEARS35OFF300AFFILIATEDEALS" drops it to $364.99
. Opt for free in-store pickup
to dodge the $69.99 shipping charge. That's $675 off list and a very low price for such a Serta mattress. Sales tax is added where applicable. It features an innerspring system, foam encasement, and more. Deal ends today.