You will hear the following statement from every angel investor you talk to: "I am investing in you, I am not investing in your business".

The most precious product you are selling is yourself: you must maintain the highest levels of ethics, reputation, integrity, and honesty.  It only takes one slipup to land you in the gutter. The investment community is small and everyone knows everyone else, nationwide. You will find that people will cold call you because someone who respects you is passing your name along, because you are respected.