The advantages of hiring an agent will really help the real estate transaction. Clients will be more confident that their business will be handled by the right person knowledgeable already. Perhaps, there are a lot of reasons why there is a need of an agent in the real estate negotiation. Let me just name a few of these things.

Agents are licensed. These people went to training to get their name authenticated so they can perform and be more confident on facing their clients.
They have the knowledge and experience. Before someone go on schooling or training for a broker licensed, they might have the prospect already in partly getting the job done. They are more capable on the inside and out, especially the sale part of real estate.
Brokers