Zappos discounts more than 40,000 items during its Zappos Rewards Sale. Plus, Zappos Rewards members get free 2-day shipping. (Not a member? It's free to join.) Plus, rewards members receive 3x rewards points on each purchase during the sale. (You normally receive 10 points per $1 spent; every 1,000 points earned can be redeemed for a $1 off coupon code.) Deal ends August 5.

Note: Don't want to sign up to be a member? Non-members can still get free standard shipping.