As in real estate, there is no "typical" fee. Each one prices based on the value they place on themselves. Discounted service may result from discounted dollars.
Keller Williams Realty
I would start with whoever is holding the money. By now this should have been resolved. Before you call them however, review your paperwork, it may have had a time limit to ... more
not a Real Estate site.
This is a very general question, it would really depend upon the seller.
The only thing to do is wait for your Contract to expire. At this time the more exposure your Home has the better chances of you selling.