The Habit Burger Grill is offering a Charburger with Cheese for FREE when signup for the CharClub for a limited time. Sign up here and the coupon for a Free burger will be emailed to you within 24 hours. Offer not valid in USC, GCU, LAX, UAE, Reno, China & Santa Barbara County locations. The coupon must be redeemed by April 14, 2018. Deal ends March 31, 2018. [Store Locator]