This Baja Convert-a-Couch Sofa Sleeper Bed drops from $349 to $299 at Walmart.com. This is the lowest we could find a similar couch by $54. The sofa comes in seven colors and can be converted into a full-sized bed. Check out the reviews. Over 1500 Walmart reviewers gave it an average of 4.1 out of 5 stars. It features a steel frame, dark espresso legs, and comes with a one-year warranty. Sales tax is charged in most states.