Final answer:
The service provided by real estate brokers that requires the most experience and knowledge is property management.
Step-by-step explanation:
The service provided by real estate brokers that is considered to require the most experience and knowledge is property management.
Property management involves overseeing and maintaining the day-to-day operations of a property on behalf of its owner. This includes tasks such as finding tenants, collecting rent, handling repairs and maintenance, and ensuring compliance with legal and financial obligations.
Brokers who specialize in property management need a deep understanding of real estate laws and regulations, finance and accounting principles, and customer service skills to effectively manage rental properties.