The purchase offer is your opportunity to convince the seller that they should sell their home to you rather than another buyer. You have to use Conditional Deed of Sale wherein certain clauses should be added to the normal DOAS.Keep the bank guarantee and stipulate that the downpayment. In this video we're going to cover how a purchase contract works. To qualify for a loan, all loan borrowers must: -have a verifiable name, date of birth and social security number; -Is at least 18 years of age; Need to sell your Fulton County house fast? We buy houses in Fulton County FAST, AS-IS in CASH! An Offer to Purchase Real Estate sets out the terms of a proposed real estate deal. Create yours now with our free form. An Offer to Purchase Real Estate sets out the terms of a proposed real estate deal.