At Home Depot, take $10 off select 1-gallon paint cans or $40 off select 5-gallon paint buckets via this mail-in rebate. Most items are available for in-store pickup only. That's the first deal of its kind in nearly two years. Eligible brands include Behr, Glidden, Preserva, Rust-Oleum, Cabot, Flood, and PPG. Some exclusions apply. Rebate ends May 29. A couple of eligible items, with prices before discount: Note: Select items, like wood stains, may be available online only. Opt for in-store pickup, where available, to dodge the $5.99 shipping charge, or get free shipping on orders of $45 or more.