Walmart offers the Baja Convert-a-Couch & Sofa Bed in Charcoal Grey, Dark Brown, or Black, model no. CAC2-S1-AAA19, for $299. Opt for in-store pickup to avoid the $29.97 shipping charge. That's $65 under the lowest total price we could find for a comparable sofa bed. It measures 83" x 39" x 34" and features a 10" pillow-top mattress.