Here's some indicators for a good LBS:
Your beverage choices include Sidral, Penafiel, horchata, and Coca-Cola mexicana (in glass bottle the way Dios intended).
Your meat choices include tripe, brains, cheeks, and sliced hotdogs.
The decor includes soccer team posters and velvet paintings of La Virgen Guadalupe, Elvis, and the Kennedys.
The clientele includes the guys from the Home Depot parking lot.