Receive $20 cash back on purchases of $100 or more excluding tax and shipping ("Offer"). Offer applies to transactions at www.bestbuy.com when you use PayPal as the payment method. Offer begins November 8, 2009 and ends November 16, 2009, or as long as the Best Buy website indicates that the $20 cash back promotion is available, whichever occurs first. To receive this Offer, you must use a U.S. PayPal account in good standing and complete a qualifying purchase no later than November 16, 2009. The maximum amount of cash back per PayPal account is limited to $20 USD. The cash back will be deposited into your PayPal account within 2-3 weeks after the end of the promotion