The $13 Amazon Buy That Solves Every Renter's Biggest Winter Problem

Winter is officially here, and in many parts of the country, people are hunkering down for a season of cold temperatures and snow. Keeping your rental warm throughout the season can be a challenge when you're at the whim of your building's management--and you can't make the major efficiency improvements that would make your unit a wee bit cozier on your own. But the solution may lie in a very simple product: indoor window insulation kits. These kits keep cold air out and warm air in via heat-shr...