How much of a home can i afford?

Im currently saving for a home and paying all pass due bills i owe off,my monthly income is 4150.00 and my current obligations are about 1700.00 a month id like to buy a home that i can fix and live in at the same time without having to spend alot of money right away i;m single all my kids are grown and i just got back to work id like a home with a big garage and possibly 2 bedrooms fenced yard because i have a dog how much of a home can i really afford with out having to pay alife time for i am 53 years old