When someone is in the process of buying a piece of property from you and they do not pay you for all of it, you may need to take action to ensure that you get the money you are owed. With the help of the court system, you can either get the money you are owed or you can take back the property that you were in the process of selling to the other individual. Instructions 1 Contact the person who owes you money first. Try to contact them over the phone and in writing. In some cases, the individual may simply need to work out a payment plan...