You can't have it both ways. In your first post, you said you moved to SC. Then you said, no, your home is still VA.
It sounds like you are manipulating the situation to be able to rent a home in SC for free. How much volunteering do you do? I'm sure there are many churches in VA where you could volunteer. I'm looking at this from a perspective that might approach that of an auditor.
The rules for charitable travel are outlined in this LINK.
