Big O Tires stores are currently running a National Anniversary Sale with $100 Instant Savings on sets of four Big O brand tires (Big O brand tires include the tire protection coverage (free flat repairs, rotations, balancing, roadside assistance, roadhazard warranty).
Also, Big O locations in Southern California and Las Vegas are currently running a Buy 2 Tires Get 2 Free sale with the purchase of an alignment and tire protection plan.
The Buy 2 Get 2 Free Sale is valid on select sets of four Sumitomo and Cooper brand tires. There is also a Cooper $70/$50 rebate (varies by line) that can be combined with the Buy 2 Get 2 Free offer.
Additionally, if you pay using your Big O Tires credit card you can get a rebate of $25 or $50 depending on purchase amount ($250-$499 = $25; $500+ = $50).
Southern California offers: Link [bigotires.com]
Las Vegas offers: Link [bigotires.com]
National Anniversary Sale: Link [bigotires.com]