Home Slickdeals Firehouse Subs: Buy any two subs and enjoy a third sub for... Slickdeals Firehouse Subs: Buy any two subs and enjoy a third sub for free from Monday, Aug. 28 through Friday, Sept. 1 By ARCOM - 30 August 2023 28 0 SHARE Facebook Twitter Go to the deal page: Firehouse Subs: Buy any two subs and enjoy a third sub for free from Monday, Aug. 28 through Friday, Sept. 1