You can absolutely purchase a property with this type of retirement income and these credit scores. My name is Jake Johnson, and I work for a lender that is in 29 states including New York and Florida where I am licensed in both. Many lenders will have trouble with a 600 credit score, however, we are what is called "Ginnie Mae approved" and an expert in lower credit score loans. I work in Manhattan, so please give me a call at any time at 646-737-4481. I look forward to planning out this move into retirement for you!
You are right on track to, determine first, what you are comfortable with for a payment in your retirement. I have attached a couple links here below for you.
Mortgage Calculators http://kaypearson.com.ionwebsites.com/calculators/
Search for homes http://search.kaypearson.ramc.mlxchange.com/
If I can be of further assistance, please contact me.
Best wishes to you as you plan your retirement.
Nettles Coastal Realty