JCPenney cuts up to 40% off major appliances. Plus, when you buy more than one appliance, several items are eligible for further discounts via a selection of mail-in rebates. Even better, orders of $299 or more qualify for free shipping and basic installation. (Large items under $299 normally incur oversize shipping fees, starting at around $69.99.) Some exclusions apply. Discounted items include refrigerators, stoves, washers and dryers, and dishwashers. A couple of best bets: