Assuming that you don't have access to surveying equipment, one way is to wait until a sunny day and use a 3' rule and a piece of string.
Mark a circle on the ground with a radius of 3'. Hold the...
It is mostly based on how much other homes in the area has sold for the condition of the house and bed rooms bath rooms ect... Its not rocket science I used to be a real estate agent its just a...
easiest way is to look for settlement cracks in drywall or plaster. another way is to look for sloping floors. yet another is looking at the foundation and/or piers themselves- any cracks, sliding,...