SFist Jenna has your low-cost Friday and weekend covered! Whether you're expecting a tax refund or if you had to cough up a pocket-full of dough to the IRS, we've compiled a list of things to do in the city on a budget, all for the cost of a movie – or less! Tonight: Jeffrey Brown at GRSF. Eager to get an early-bird preview of the Alternate Press Expo? Head over to 618 Shrader, where......