For in-store pickup only, Kmart offers the Rust-Oleum Stops Rust Protective Enamel 1/2-Pint Can in four colors Flat Black (pictured) or Gloss White for $2.69. That's $7 below the lowest total price we could find. This indoor/outdoor paint protects from corrosion.

Also available for in-store pickup only is the Rust-Oleum Stops Rust Protective Enamel 1-Quart Can in nine seven colors for $4.94. That's $6 off list price and the lowest price we could find.