Great answer Joe! It's just as I see it. I would add that you ask the agent you are dealing with, if it is a private residence and not an apartment, if the basement square footage is included if it is finished. Some agents will list it as square footage and make a notation that it is or is not included. Some agengs just list every square foot. Your agent should be able to guide you.
Licensed Associate Broker
Douglas Elliman Real Estate