Com offers competitive cash offers tailored to the unique needs of the San Antonio market, ensuring a smooth and efficient sale process. 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.The Home Selling Process. An agreement to sell real estate, or a purchase agreement, is a legally enforceable document that specifies the terms of a real estate transaction. Our real estate experts have helped break down the most common areas where real estate purchase offers can go awry and what to read closely before you sign. Seller agrees to sell and convey to Buyer and Buyer agrees to buy from Seller the Property defined below. 2. When selling your home, there are additional costs like repairs, title fees, and agent commissions that impact the net cash amount after a sale is complete. Unfortunately, as some homeowners learn too late, not all parties who submit purchase offers are genuine buyers.