Whats the value of your solution?
You can not articulate the value of your offering/solution. Your prospect does that. Work out what they value. If you think they all value the same things, you are mistaken.
Communication skills
Regardless of your intentions. Regardless of what was said, regardless of how you intended it, or what you thought you said. The response you produced is the meaning of your communication. Communication skills are essential for everyday situations – be them...
Stop ‘selling’!
Stop Selling and start Helping. Sales people need to do is stop selling and start helping. This shift to being client focused will result in more loyalty and more revenue from those clients.
Are you lucky?
Luck is opportunity + effort.  Luck is also in the eye of the beholder. If you see every ‘tail’ side of the coin as a lesson then you will find luck and opportunity all around.