My best advice for you is to find a qualified and experienced Realtor who works with Buyers in the city/state that you are contemplating. Preferrably, look for a Realtor who holds an ABR (Accredited Buyer's Representative) designation.
I've included a link below to assist you with your search.
Ted Shoop - ABR, e-PRO, Realtor
Keller Williams Realty Atlanta Partners