If you're an online shopper...

Join Shoprunner (shoprunner.com)
Cost per year: $79
*Free two-day shipping and returns from more than 50 online retailers, such as drugstore.com
*A downloadable toolbar, DealRunner, alerts you to coupons and members-only discounts while you're on a retailer site
Join Amazon Prime (amazon.com/prime)
Cost per year: $79
*Free two-day shipping sitewide, and Instant access to thousands of streamed movies and TV shows

Do the math-> If shipping costs $10 (and returns another $10), you can make up your membership cost in four purchases and returns.