There are some more nuanced items you should be sure to include in your real estate purchase contract, including the financing terms and closing date. The good news is that your contract is void in a week.Terminate the contract then and relist the house. Your purchase offer must include every minute detail and aspect of the sale. Here are some important points that it should cover. Contingencies are clauses you can include in a home offer that set certain conditions for the purchase. A conditional offer is an agreement between a buyer and a seller that an offer will be made if a certain condition is met. A conditional offer to purchase establishes a legal obligation between the buyer and the seller. Both parties are required to fulfill their responsibilities. A sales contingency is when you will need to sell your current home in order to close on the house you're offering to buy.