January- Holiday décor and wrapping paper, linens, toys, treadmills and ellipticals, vacation packages.
February- Furniture, homes and condos, lobsters and steaks (grocery stores stock up for Valentine's Day and discount immediately after.)
March- Chocolate (Yes, it's from Valentine's Day- but really cheap!), luggage, outdoor gear and winter clothing.
April- Cookware home-improvement supplies, tires and auto parts.
May- Air conditioners, camping and outdoor gear, summer clothes (Memorial Day sales!), mattresses, gym memberships.
June- Caribbean cruises, lingerie, laptops, tools and hardware.
July- Sandals and swimsuits, furniture, picnic supplies.
August- Outdoor grills, kid clothing and school supplies.
September- iPhones and iPods (New models usually debut now, so old ones are cheap.), 2013 cars, airfare, bikes, summer apparel.
October- Grills, patio furniture, winter coats.
November- gadgets, electronics, small household appliances, winter clothing.
December- toys, large appliances, bundled gift card deals (For example, "buy $50, get $10 free.")