A salesperson must ensure that a buyer client is aware of all revenue sources and...

Every commercial property, whether an office building, an industrial property, a retail property, or land, has a single source of revenue, which is the base rent.

Shopping centres with more than 150 stores typically have only two types of rental revenues to cover all the operating expenses of the property: base rent and additional rent.

Retail commercial property owners have three types of potential rental income: base rent, additional rent, and percentage rent.

Commercial office owners have only one type of potential rental income, which is percentage rent, as the owner themselves pay for the operating expenses of the property.