Depends on the lender, though you shouldn't need one.

Would depend on your area...

NicoleIt normally just depends on what you are looking for.

Philip,In part it depends on the kind of property / seller you are looking at.

Depending on the loss, the lender can use the proceeds to pay off the loan and hand title back to the owner or have the structure repaired. 

Depending on your criteria it can be a bit tricky to locate good investments due to the differences street to street being pretty significant in many places.

Very broad answer to your questions I know, but it all depends on what you are trying to accomplish.

You'll pay 75-80% ARv depending on area.

You would be better served to collect quotes from a handful of foundation specialists then choose one.As for costs, it will be dependant on many factors: type of foundation; type of soil/rock; depth of underpinning / ease of soil removal; and your location.

Depending on the town/city and the property use, you might have to have things like certifications for smoke detectors, CO2 detectors, and fire extinguishers.