Today only, Dick's Sporting Goods takes up to 50% off a selection of clothing, accessories, fitness equipment, gear, and more during its Flash Sale. Shipping adds $5.99, although orders of $49 or more bag free shipping. (Large items incur oversize shipping fees; in-store pickup may also be available.) A couple of best bets:
Stiga Elite Indoor Table Tennis Table for $199.98 + pickup ($200 off)
GT Men's Talera 3.0 Hybrid Bike for $374.98 + $65 s&h (pictured, $375 off)
You don't need to hire a contractor or do extensive renovations to add value to your home.