maintain records of business properties and expenses involved with the help of online documents.when it comes to maintaining a commercial building for instance a hotel, then it becomes necessary to maintain a track of all the property revenues, promissory note is a form of legal instrument of finance, where a party makes a commitment in written form to make the payment to the other party. a lot of people desire to purchase land and other properties of the real estate. it is done for the betterment of both tenants and the landlord to give a detailed lookout on how and what the condition of the property is this agreement should clearly state the previous condition of the house as well as the present state of the premises. you will need to give a full description of the property that is on sale. it is a deal to make offer to purchase the newly constructed property.