If home is where the heart is, it’s wise to keep the walls clear of bacon fat and have the family contractor’s number on speed dial in case of an emergency. Gussy up your chambers with today’s Groupon: for $50, you get $150 worth of power washing and roof cleaning from Grime Solutions LLC.

Grime Solutions' meticulous cleaners refresh the hulls of homes and commercial buildings using high-pressure jets of water and eco-friendly detergents. Power washing ($150+) blasts away thick strata of filth, organic debris, and clingy koalas from vinyl siding, aluminum siding, stucco, and other surfaces without damaging the material. It can also erase the remnants of last year's bird spring break from decks, leaving the wood bare-foot friendly for another summer.

Equally earth-massaging is the Roof Shampoo ($225+), which scrubs out your home dome's accumulated dandruff of lichen, algae, and moss. A low-pressure rinse restores fragile shingles to their former sheen, and the shampoo's lack of chlorine bleach means the runoff won't leave lawns riddled with dead vegetation and skeletonized garden gnomes.