There are four ways to finance the purchase of a home in a real estate purchase agreement. What you choose depends on both the financial position of the buyer and the seller. Among your options are: Most standard form agreements start with some basic information about the buyer, seller, and property in question. There will also be an area where the purchase price offered by the buyer and the company paid in trust by the buyer to the seller can be registered with the seller`s real estate agent. The exact date and time when the offer is open (and irrevocable) are also indicated. It`s usually a few hours or a few days. If the offer to purchase the property is not accepted by the seller before this date, it becomes invalid. The requirement date is the time during which the buyer must verify the title and complete all other searches. It is usually set for a period of 15 days to one month before the closing date of the transaction. .