Walmart discounts a selection of garage and storage rollbacks, with prices starting from $12.70. Choose in-store pickup to avoid the $5.99 shipping fee, or get free shipping on orders of $35 or more. (Oversized items may have additional fees.) A couple of best bets:

Space Solutions 1000 Boltless 4-Shelf Shelving for $36.38 ($18 off)

Stack-On Steel DIY Workbench for $79.99 (pictured, low by $35)