Best Buy: FREE $10 eGift Card with $100 Store Pickup Purchase! November 27, 2011 This post may contain a link to an affiliate. See my disclosure policy for more information. This Cyber Monday, Best Buy has a great gift card promotion! When you spend $100 or more online, and choose to pick up your order at a Best Buy store near you, you’ll get a FREE $10 eGift Card! The eGift Card can be redeemed in-stores or online, and the code will be emailed to you 2 to 4 days after your order has been picked up.