Walmart offers the GranRest 8" 3-in-1 Gel Memory Foam Mattress & Sofa Bed in Dark Blue for $132.56 with free shipping. That's $34 off and the lowest price we could find. It has a removable cover and can be used as a mattress, sofa, or floor mat.
Social Security retirement benefits aren't a guarantee. If you fall into one of these groups, don't assume that you will receive benefits.