Your success depends on closing bigger, better deals. Put your time and energy into prospects with the power to make large investments and introduce you to others who can do the same.
Think it through from the POV of your prospects. Visualizing how much of it they are actually going to view tells your exactly where to focus your efforts. Fire off some boilerplate with just a name change? Game over.
To start a sales relationship off right, you have to offer value out of the gate, but just as important is attempting to understand a prospect's challenges. Without these essential exchanges, you're just pitching into the wind.