TigerDirect has $20 Off $100 when you check out using Visa Checkout by Visa. You can get another $20 back with this rebate. This works out to be $40 off $120, which is a very rare amount of discount sitewide, . This combined discount is valid through 11:59PM ET on December 17, 2014. Here is a screenshot for your reference. Details are available here. Note that you can use any major credit cards, including Visa, MasterCard, American Express, and Discover.