Friday, October 4 - National Taco Day Jack in the Box The deal: Sign up for the Jack in the Box eclub and you’ll get set up with two free tacos. When: October 4 Taco John's The deal: Use the Taco John's Rewards app to get a free Crispy Beef Taco. When: October 4 Qdoba The deal: It’s not exactly free tacos, but Qdoba is giving rewards members double points on whatever they order for National Taco Day. When: October 4 Condado Tacos The deal: Everyone is getting a free taco with any purchase to celebrate the day. When: October 4 On the Border The deal: Endless tacos are going to start at $8.99 for National Taco Day. Though, the promotion does have an end, unfortunately. When: October 4 Tijuana Flats The deal: The chain is, fittingly, celebrating the faux-holiday for days and days. You can snag two tacos, chips...