What does it mean to “buy a listing”?
Buying a listing as it relates to real estate agents and their careers,
means taking the listing at a price considerably higher than the homes
market analysis indicates the home is worth; with the seller’s full   
knowledge that the desired price is too high for the current market. 
Agreeing to take [...]

If you are new you may not believe this but there will come a time in your career when you will say no to a seller and not take the listing even when the seller wants you to have the listing.  Saying no to an unreasonable customer at the beginning will save you time and save them from [...]