This section also details how the payment will be broken down, such as the down payment and any financing arrangements. 2. Contingencies. Find out everything you need to know about sales agreements: what they are, how to make one, and how to manage them using digital contract management.You'll need to sign a residential purchase agreement, make an offer, possibly put down a deposit, conduct inspections and close the sale. This Master Sales Agreement (the "Agreement") is entered into between the buyer listed on the applicable Purchase Order ("Buyer") and Calimetrix, LLC. Payment of Costs and Expenses. Lender shall pay all costs of preparing and furnishing to. A master purchase agreement is a legally binding contract between buyer and seller, and typically relates to buying and selling goods rather than services. You may have to provide proof in the form of a letter from the lender. This should all be spelled out in the purchase and sale agreement. The PHA inspection shall be the initial response to receipt of a sales agreement.