For us, $1000 down, order gets placed, credit app goes in the mail (snail or email) and you return it to me. We run the credit & set everything up before the delivery date (or drop ship date). if you don't pick up the car, the final paperwork is done next day air...If you pick it up, before you drive it home.
Temp tag will be put on the car good for 90 days of driving - or mailed to you for a drop ship. If you want to add to the down payment, that can be done before the car is delivered and the final finance paperwork is done. It's helpful to know if you plan to put more down at delivery (and helps with approval in some cases).