Real Estate across the country is different. In some state, it may take 90 days to close while in others, like Georgia, 30 days is the norm. Additionally, in some states you can close at a title company's office, in other states you may get an attorney to help coordinate the closing while still in other states (Georgia) your Realtor is the one who coordinates for you. In Georgia, a Realtor has a fiduciary responsibility to look out for your best interest.
So what does fiduciary mean? Wikipedia defines it as,
A fiduciary duty is the highest standard of care imposed at either equity or law. A fiduciary is expected to be extremely loyal to the person they owe the duty (the "principal"): they must not put their personal interests before the duty,