A broker is an agent who is authorized to open and run his/her own real estate agency and business. All real estate offices must have one broker.
A real estate agent acts on your behalf, providing you with advice and guidance when buying or selling your property. A real estate agent is a valuable asset when buying or selling property, as they often times know what the market has been doing and what prices properties should be selling at. The real estate agent negotiates a deal with your best interests in mind.
Closing costs are expenses incurred by the buyers and sellers in transferring ownership of a property from one party to another.