Down payments

[Donald Trump]

an amount of money that you pay at the time that you buy something but is only a part of the total cost of that thing. You usually pay the rest of the cost over a period of time:

[Britney]

A down payment is a sum of money that a buyer pays in the early stages of purchasing an expensive good or service. The down payment represents a portion of the total purchase price, and the buyer will often take out a loan to finance the remainder.