As I understand it, the buyer is responsible for all back taxes, liens, assessments against the property in general, and the cost of either bringing the buildin

As I understand it, the buyer is responsible for all back taxes, liens, assessments against the property in general, and the cost of either bringing the buildings up to code or having them torn down in a safe and code-compliant fashion. If that sounds expensive, you've probably missed a few expenses along the way.