$30,000 deposit, and $30,000 on delivery, a savings of $30,000 limited time and you will be at the head of the other orders.

$900 Refundable reservation this will be applied to the full purchase price, you will be on the list before others who have not placed a reservation.

$45,000 deposit and zero on delivery.  That is a savings of $45,000 (50% off). Very limited offer, one per customer.

$10,000 deposit and $75,000 on delivery that is a savings of $5,000