Amazon has the 12oz Rust-Oleum Specialty Farm & Implement Spray Paint (Gloss Troy Bilt Red, 303473) on sale for $5.57 with free shipping on $25+ or with Prime (extra 5% off for 5+ S&S orders). 

• Dries to the touch in 2-4 hours and covers up to 6-7 sq. ft. per can