A quick growl scared off the mouse.
The hefty price tag scared off any potential buyers.
Fire is also at your disposal in many situations; you will use it to get rid of brush that is blocking your path, or to kill or scare off various different foes.
Never push the relationship too quickly: The quickest way to scare off a new partner is to try and maneuver him/her into the bedroom.
But if your business is failing and you need to get out, you can never hint that this is the reason for selling a business, because this will most likely scare off a potential buyer.