If an Owner has several (or one) properties, he or she may hire a property management company (or manager): the professional property manager serves to organize and implement comprehensive control of the properties managed. 

The main duties of the Property Manager include (but are not limited to: 

Conducting on-site inspections

Establishing rental rates

Supervising resident managers

Budgeting and completing reports and monthly statements

Controlling expenditures

Establishing standard operating procedures

Maximizing income stream and value. 

As this list of duties makes clear, the professional property manager has significant administrative and financial responsibilities, which require personality traits: 

Decision-making ability

Initiative

Ability to be firm

Analytical and detail-oriented

Assertive and ambitious

Ability to communicate with both Owner and Tenants (including but not limited to)