For in-store pickup only, and with stock varying by ZIP code, Walmart offers the Black Magic Intense Wheel Cleaner 23-oz. Spray Bottle for $5.47. This online rebate makes it $0. (Select the "Black Magic Intense Try me Free" option.) That's the lowest price we could find by $6. It features foaming action that cuts through brake dust, road grime, and grease.

Also available is the Black Magic Intense Tire Wet 23-oz Spray Bottle for $6.47. The same online rebate makes it $0. Choose in-store pickup to avoid the $5.99 shipping fee. That's the lowest price we could find by $7. It creates a mirror-like shine that lasts for up to four weeks.

Note: These rebates are also valid for purchases made at AutoZone and Meijer retail stores; availability may vary by ZIP code. Rebate ends July 31.