A bill of sale is a simple yet important document that proves that ownership of something was transferred from one party to another. A bill of sale usually lists the date, time, and place of a sale and recites the price paid for the goods sold or the services performed. The higher the purchase price, the more details should be included in the bill of sale. VLF recommends that Houston small businesses use a standard bill of sale prepared by a licensed Texas attorney to protect themselves against future legal disputes.