If you wish to sell or buy a business, please use our sales contract. It is also important to keep a record of the property you are selling for tax and accounting purposes. The sale of real estate can affect your tax return. The Internal Revenue Service (IRS) requires you to report all the different revenues, including revenues from the exchange and exchange of goods. A tax lawyer or accountant can provide you with more information about the impact that the sale of real estate can have on your tax return. A sales contract is signed before the exchange of goods or money. It is an agreement between the parties to enter into a future transaction and documents the details of what that transaction will be. Sites like Craigslist, Ebay, Poshmark, and other online marketplaces have made it easier for buyers and sellers of personal property to connect.