@tututu1 - maybe the opinion of another CPA is necessary (and don't understand why you are asking an anonyous board if you want to depend on a CPA)
While I am not an expert, if 1 bedroom represents 10% of the square footage of the house, and I rent out 1 room of a 3 room house and give the roommate the run of the house, I am renting out more than 10% of the house to him. He has use of the kitchen, family room, hall bathrooms, the unused 3rd bedroom etc, etc, etc. I am renting out 50% of the house to him as we both have unfettered access to the entire house (other than our personal bedrooms)
if he was limited to the bedroom and no other access to the house, I could buy the 10% argument
just my two cents.
