26" Cappucino Fold-Up Ladder Desk by Monarch - OfficeDesk.com
TYPE II Handmade Floating Desk Wall Mounted Real Solid - Etsy
This Wooden Wall Desk Folds Up to Just 6" Thick
Mid-Century Fold Out Desk | Urban Outfitters
Amazon.com: EUREKA ERGONOMIC Foldable Desk 41", No Assembly Required Home Office Small Folding Computer Desk Table for Small Spaces Study Writing Work, Portable, Easy to Fold Up or Down, Space Saving, Brown :
This foldable desk for working from home is under $100