there is always a reason behind a low price and a higher one, so it's important to find out why. As I always say, arm yourself with knowledge; to achieve that, view more houses, talk to more people, ask more questions, do more reading and researches. It's not easy for anyone to tell all here with just a few sentences; no one would know what is what you do not know.
I would focus on the following: ) e7 B1 a, B( r9 {+ V. v/ _" {- B2 D1. location 2. House type 3. Hardware and not software of the house 4. Exterior environment. 1 A4 ?. V8 z& h 5. Relative elevation of the lot 6. Front elevation of the house.