That doesn't mean you have to be a first time home buyer, but that you can't currently own other residential property. (fhaloanpros.com)
These criteria most often apply to donations of a primary or secondary home or other residential property held for some time. (schwabcharitable.org)
I would also argue that this product is and most recent has appreciated faster than other residential properties because it often falls into a price point that is still affordable. (biggerpockets.com)