Top Dog Taco, 104 S. Chestnut St., McKinney, opened Sept. 13. Top Dog Taco serves Kobe beef hot dogs and wagyu beef, brisket, carnitas, chicken and fish tacos. Top Dog Taco features daily specials, including Taco Tuesday, which drops the price of all tacos to $2 each. 214-726-6765. www.topdogtacos.com