Quote Originally Posted by GeorgeB View Post
That is quite true as well.

I could always put it like that as well. Telling them to ensure that particular spot is theirs, there will be a non refundable fee of x amount of dollars that will be required before the spot can be booked that far out. Then informing them, that the deposit can go towards their estimate.
Also if they're willing to pay the deposit you know they're serious.