Thumb Score: +19 Walmart has Spa Sensations by Zinus Steel SmartBase Twin XL Bed Frame (Black, 14"H) on sale for $35.03. Shipping is free or you may opt for in-store pickup where available. Thanks rsvpd Alternatively, Amazon has Zinus Shawn Twin XL SmartBase Mattress Foundation (Black, 14"H) on sale for $35.03.