It could be that a particular agent chooses to focus on a specific community or neighborhood becoming a specialist of that area.
For example, a focus on low-rise condos near downtown Naples within walking distance to 5th Avenue and 3rd Street South.
An agent could focus on Multi-family housing.
For example, a duplex for sale in Naples Park.
Negotiation skills. An agent could be an excellent negotiator; pleasing both parties and help you keep more money in your pocket.