Protect your pipes, windows, and doors before the freeze hits. These expert-approved early Black Friday deals on insulation kits, weatherstripping, and heat cables start under $10, and could save you hundreds in energy costs and repairs later.

Once upon a time, Americans lined up in droves outside Walmarts and Targets, still full from Thanksgiving dinner, so they could be first in the door.

Here are some of the major retailer sales we're tracking this year: Amazon: Amazon's Black Friday sale starts Thursday, Nov. 20, and ends on Monday, Dec. 1. Walmart: Online only from Tuesday, Nov. 25 ...