Poor exterior condition may spell problems inside. Major repairs, such as a new roof, can be costly. Consider these costs if you decide to make an offer. Consider the cost of replacing older systems if you decide to make an offer. Corner lots can be spacious, but exposed to more traffic and noise.
Interior lots can be quieter but too close to neighbors.
Be sure the area around the house is graded properly to provide good drainage. Front porches, gables or other details add value to the property. Established trees, shrubbery and perennials add value to the property. If neighboring properties are too run-down, they may affect your resale value. Look for evidence of a sense of identity, and pride of ownership in the other homes.