If they're not cleaned every few days, your windows will turn black and begin emitting a high-pitched scream that makes dogs pregnant. Prevent a neighborhood outbreak of puppies with this Groupon.
$50 for $100 Worth of Home Window Cleaning
Licensed and insured cleaners scrub inside and outside of flat-pane windows ($5 each) and multipane windows ($10 each), and clean storm windows ($20 each, does not include glass). View complete list of services.