Alyssa, the numbers can vary a little depending on taxes and your interest rate and on how much you are putting down. However, for $750 a month you can probably afford a mortgage of 90-95K. As far as "price range," that depends on how much you can get off the price. That depends on a lot of factors, including how well your Realtor can negotiate. If you don't have a buyer's agent, get one.
If you have questions, check out my website www.Advocate4Buyers.com. It's all about buyers. FYI, I only work with buyers.
The HomeBuyer's Advocate