You're looking for cheap food here:

Alex and Mama's Kitchen 55th and 3rd (SW corner)	In'n'Out:4m 58s Genre:Cart American/Halal
Jimbo Says:Good Bacon cheeseburger deluxe (includes fries) for $5. Need I say more?

[Cart] 53rd @ 3rd ave (NE Corner)	In'n'Out:1m 55s Genre:Halal Cart
Jimbo Says:Good Consistently amazing service. This guy knew what I wanted the first time he looked at me and told me so. Decent food and no thinking!

Homefront Deli 41 E 41st St	In'n'Out:4m40s Genre:Deli
Jimbo Says:Good Only in new york. The service in this place is a miracle of capitalism, and the food a miracle of ... well, just a miracle. When you go, just try to ignore the massive crowd, you'll be at the front of that line in no time.

M&N 45th Deli 721 3rd ave	In'n'Out:innout 2m43s Genre:Deli
Jimbo Says:Good Just barely under budget. Otherwise, fast service, big sandwiches and outstanding chicken salad (bacon included).

Chiyoda Sushi 16 E 41st st	In'n'Out:1m25s Genre:Sushi
Jimbo Says:Bad*** ***The "bad" rating comes with a disclaimer: This place rocks! It's just hard to get enough food for under $6. Choose wisely, and you will have one of the best sushi lunches available.

Fiore 226 e 45th st.	In'n'Out: 6m20s Genre:Slice Joint
Jimbo Says:Good Extremely efficient staff. Innout time reflects mmmmmmmmmmmmeatball sandwich. Bigntasty.

Won Plus Deli 162 E 44th St.	In'n'Out:<1m Genre:Deli
Jimbo Says:Good They made me a "hero" so fast I didn't have time to snap a picture inside. It rocked.

Ming's Delight 594 3rd ave	In'n'Out: 7m+ Genre: Chinese
Jimbo Says:Bad Borderline prices, long wait for overpriced food. I found Ming, but he wouldn't show me his delight.

Pronto Pizza 976 6th Ave	In'n'Out: Varies Genre:Slice Joint
Jimbo Says:Bad Sub-par pizza, and the pizza guy lied to me then called me an @sshQle in spanish. I didn't even give him good reason.

La Cucina Di Antonio Rustica 817 2nd Ave	In'n'Out: 4m32s Genre:Slice Joint
Jimbo Says:OK Lousy service. Barely fits my definition of pizza, as that would imply quality. Fairly fast, however.

Gristedes #533 594 3rd ave	In'n'Out: Varies Genre: Grocery Store
Jimbo Says:Good Not much to say. Cheap lunch at a grocery store.

East Palace 819 2nd Ave	In'n'Out: 6m10s Genre: Chinese and Tex-Mex
Jimbo Says: OK Lousy service. Still, cheap and edible food. Good place for the indecisive

Fresco Tortilla 719 2nd Ave	In'n'Out: 5m32s Genre: Tex-Mex
Jimbo Says: Good Fresh tortillas, dynomite chili, and four star chinese ownership/service make this an easy favorite.

New York's Delicious Pizza & Restaurant 766 2nd Ave	In'n'Out: 7+m Genre: Slice Joint
Jimbo Says: Good Decent calzone full of real ricotta! Long innout time probably my fault.

Best Wingers Inc. Express 711 2nd ave	In'n'Out: 6m45s Genre: American Fried
Jimbo Says: Good Be smart, and play your cards right.  If you do, you'll leave with a bunch of greasy food for real cheap.

Abitino's Pizzeria 733 2nd ave	In'n'Out: 3m29s Genre: Slice Joint
Jimbo Says: Good Decent slice.  Excellent service.  Very professional.

Hallo Berlin (cart) 54th@5th Ave. NW corner	In'n'Out: 6m 43s Genre: German
Jimbo Says: Good Best brat since I left Milwaukee.  I don't joke about this.

Rafiqi's Delicious Experience (cart) E 40th @ Park Ave	In'n'Out: 2m19s Genre: Afghan
Jimbo Says: Good The sandwich I got for $3.25 would've been $9.37 at the deli next door.  No wonder this family name is on eight carts.  Lambtastic. Zoom the pic for menu.

Kwik Meal (cart) 45 St. @ 6 Ave.	In'n'Out: 3m Genre: Pita's 'N' Stuff
Jimbo Says: OK Delicious food, small portions.  I didn't really get what this guy was going for, snobby street food? I'm not taking chances with shrimp from a cart.

Djerdan 221 W 38th St.	In'n'Out: 5m 40s Genre: Balkan... ese?
Jimbo Says: Good No need to see a menu, just order the $4 Burek slice.  Not sure how far it is, but I'm thinking about walking to the Balkan.

Shendy's Halal Food (cart) W 52nd @ 6th (NWcorner)	In'n'Out: 1m 15s Genre: Halal
Jimbo Says: Good This guy told me he'd been there for 15 years, and the lamb melted in my mouth while he was talking.  In and out in under 2 min.?  ZOWIE.

New Blue Flower Cafe 5 E 47th St.	In'n'Out: 5m 21s Genre: Deli
Jimbo Says: Good Poor selection, good french fries.  Decent deli.

Woorijip 12 W 32nd st.	In'n'Out: 1m 27s Genre: Korean
Jimbo Says: Good This Korean deli serves Korean food? Holy Sh!t!  The food was so good that I intentionally went over budget.  Enough said.

Pronto Pizza 1333 Broadway	In'n'Out: 3m 13s Genre: Pizza
Jimbo Says: Good Just another slice joint.  Decent, unusually filling.

Jin Chuan Garden 9W 46th St.	In'n'Out: 2m 27s Genre: Chinese
Jimbo Says: OK Nothing special, but definitely fast, cheap, and filling.

[Cart] 56 St. @ 6 Ave.	In'n'Out: 2m Genre: Mexican
Jimbo Says: Good $3.50 Burrito + cart = love. Watch out, though, this guy NEVER has change or more than 1 napkin.

D &S Market Place 34 W 56th St.	In'n'Out: 3m 37s Genre: American Deli and Grill
Jimbo Says: Good Huge selection. Why do I always get the deluxe cheeseburger then?

Park Italian Gourmet 60 W 45th	In'n'Out: 4m 37s Genre: Deli
Jimbo Says: Good For some reason ordinary delis are rare in this hood, but this one hits the mark.

Margon Restaurant 136 W 46th St.	In'n'Out: 4m 37s Genre: Cuban
Jimbo Says: Good This place is more of an experience than a restaurant. Order anything on the menu, and let the island ladies treat you right...

[Cart] 49th @ 6th (Closest to sw corner)	In'n'Out: 2m Genre: Halal
Jimbo Says: Good These guys have years of experience.  The speed says cart, but the flavor says "Ohhhhh Yeeeaaahhhh."

Yagura Japanese Market 24 E 41st St.	In'n'Out: 3m Genre: Japanese
Jimbo Says: Good Who say good sushi can't be affordable? If you want to be full, get a bento box.  Save your gambling for the Japanese TV.

[Soup Dude] 49th and 6th Ave.	In'n'Out: 1m Genre: Soup
Jimbo Says: Good Dude gave me free soup!  What more can I say?