Dick's Sporting Goods takes up to 50% off a selection of bikes and gear. (Prices are as marked.) Where available, choose in-store pickup to avoid shipping fees, which start at $5.99, although all bikes receive free shipping. Deal ends May 5. A couple of best bets:
GT Men's Aggressor Pro Mountain Bike for $299.98 (pictured, $300 off)
Nishiki Women's Anasazi Hybrid Bike for $349.98 ($200 off)
Knowing what to expect in advance can help you prepare for -- and adjust to -- life in your golden years.