Taco Tuesdays, eat cheap on Tuesdays. 3 regular tacos for $1.09 sometimes they even do this on Sundays. We get 9 or 12 tacos, 6 soft, 6 hard. under $5. feeds about 4 people.
go to their facebook page and get a free chicken taco coupon. and you get more free stuff with sign up for their eclub. http://www.facebook.com/deltaco?sk=app_296162061185