The official rules for the Home Depot survey sweepstakes include being a legal resident of the U.S. or Canada and at least 18 years old. No purchase is necessary to enter, and entries can be made either through completing the survey at www.homedepot.com/survey » or via mail. Winners are randomly selected, and each entry period has a prize draw. Employees and immediate family members of Home Depot are not eligible. Prizes typically include gift cards, with amounts varying by sweepstakes period. Full terms and conditions are available on the Home Depot survey website.