Take note that if you're spending more than $3 per taco, you're no longer in "cheap eats" territory and you are now splurging on fancy tacos. For the best places to stretch your hungry dollar, head to Taqueria Vallarta.
These Indian-style burritos on fresh roti are one of the better deals in town, even though one for $5 might be a snack for most adults. They come stuffed with any of Kasa's well spiced & seasoned meat/veggie dishes, including their chicken tikka masala.
American Restaurant in San Francisco, CA, United States
The excellent, & somewhat more diet-friendly chicken sandwich, which comes topped with chipotle aioli and your choice of an array of free toppings (including lettuce, tomato, red onion, grilled onion, jalapeno, and pickles) for $6.75.
Roxie's makes one of the, if not the absolute best sandwiches in San Francisco. They're all priced the same, regardless of if you're seeking ham or meatballs or a veggie: $5.99 for a junior, $7.99 for a regular, and $11.99 for a supreme.
Asian Restaurant in San Francisco, CA, United States
One of the few things that can effectively clear out a fog-brained hangover, the Boat Noodles at Zen Yai in the Tenderloin contain some life affirming stuff. And that'd be the blood that lends the broth its murky, reddish richness.