What is the cost involved in removing and relaying new hardwood?

Q: I have an old house (80+) with 2″ boards on the ground and second floors. Much of it is in poor condition (gouges, gaps, nails that pop up, etc.) What is the cost involved in removing and relaying new hardwood?

A: I think you are looking from $10-$15 per sq. ft. Some elements in this may not be needed. For example, plywood sheeting screwed over the existing sub floor. That can be decided when the old floor is removed. Removing and disposing of the existing hardwood floor is not rocket science, but a lot of back breaking work. The cost could be reduced if the home owner decided they could handle that part themselves.