Sale of Property; Purchase Price. 1.1. Use and store this free template to specify obligations between sellers and buyers.From drafting to signing, Contractbook is with you every step of the way. OFFER: A. THIS IS AN OFFER FROM________________________________________________________________________("Buyer"). Seller shall sell to Purchaser, and Purchaser shall purchase from Seller, at the price and upon the terms and conditions set forth in this Agreement. With our free Sales Agreement form, you'll be ready to print or download your contract in no time. You and your buyer should both sign and date the agreement. A California Residential Purchase Agreement (RPA) is a legally binding contract between a buyer and seller. It lays out the terms of a real estate transaction. If both the fixed rate and the adjustable rate information are filled in, then the buyer is obligated to complete the transaction with whichever option is.