Ok, I must be the evil child on the boards.
I would charge them no more than $5/pt as others have said.
I love my parents more than life itself and I totally and completely appreciate everything they have ever done for me and continue to do for me and my DH.
However, if we (Dh & I) give away our points, while still paying for them, then the value of DVC is lost for us. (Once paid off, well, that would be different).
Our first trip home will be in May. This will be a huge family trip (16 in all). Everyone was responsible for booking their resorts. My parents were going to stay at BW as that is their favorite. They never asked to use our points, they were just going to pay cash for BW and hope for a discount.
After some calculating, I discovered between banking and borrowing (we only own 150 points and they are financed) we would have 141 points they could use. This would mean we would not have points for a vaca for our 2006 UY but would still be paying the maintenance fees for that year. The reservation for a separate studio for my parents was 136 pts.
So, we decided to charge them $5/pt, but then decided to just round it down to $600 (which will just about cover our maint. for 2006). Maybe you will all think I am terrible, but they would have been paying $300+/night at BW. Instead, for the cost of 2 nights, they are staying for 8 nights. They were thrilled with this savings. They never batted an eye about paying us as they would have been paying Disney instead, and a lot more money.
I would never charge them the full going rental rate of $10/pt. I am not trying to make money off of them, just trying to cover expenses.
JMHO, whatever it's worth.
Fire away, I have my flame resistant suit on if needed