Walmart offers this Twin Headboard in Dark Russet Cherry for $69 with free shipping. That's the lowest total price we could find by $74. It measures approximately 10x45x40" and features adjustable shelves.
Walmart offers the Kebo Futon Sofa Bed in four colors (Brown pictured) for $89.88 with free shipping. That's $10 below our August mention and the lowest total price we've seen. (It's a current low by $98.) It features a microfiber cover and measures 69" x 21" x 26".
Walmart offers the Hayley Twin Black Metal Daybed for $119.99 with free shipping. (Amazon has it for the same price.) That's the lowest total price we could find by $2. It features a black finish and chrome detailing.