Propane is the preferred combustible of backyard cookouts because it burns cleaner than charcoal and escapes less quickly than captured scarecrows. Flip a kinder burger with today's Groupon: for $9, you get a refill of a 20-pound propane tank at American Rent-All (up to an $18 value).

The tool- and party-supply professionals at American Rent-All draw upon more than 30 years in business to keep grills, stoves, and other gear burning brightly by refueling empty tanks with propane. No exchange of equipment is necessary, so barbecuers may maintain custody of their own precious Bobby Flay–autographed cylinders. The rapid refueling of a 20-pound tank allows patrons to replenish the lifeblood of appliances and cheerful robot companions. When their gas grill is properly topped off, party hosts only need to worry about decorations, seating arrangements, and where to hang the piñata full of t-bone steaks.

Though American Rent-All sometimes features a discounted price online, this Groupon still offers the best deal available.