Budget food around Copley Square
And Bukowski's has good burgers & hotdogs, The Other Side has generally good food, the Summer Shack and Legal Seafoods are more expensive but you can still get good things for under $20.
Other Side Cafe
407 Newbury St, Boston, MA 02115
310 Northern Ave, Boston, MA 02210
1281 Cambridge St, Cambridge, MA 02139
Shino Express is now called Snappy Sushi.
Thai Basil on Newbury St. has very inexpensive lunch combos (under $10). Their regular menu isn't crazy expensive either.
The Globe on Boylston. Casual, but good sandwiches and entrees.
Steve's Greek on corner of Newbury and Hereford.
Thai Basil Restaurant
132 Newbury St, Boston, MA 02116
Steve's Greek Restaurant
316 Newbury St, Boston, MA 02115
144 Newbury St, Boston, MA 02116