David Calvin has been a locksmith for twenty-seven years. He focuses on certain, quick, high-paying sectors in locksmithing, earns a full-time paycheck part-time, and loves what he does. This book is short and to-the-point. It tells you what you need to think about before deciding to pursue part-time or full-time lock work. David tells about small sectors in lock work that can be businesses all by themselves. Here, David will tell you about education , licensing, legal, and advertising ideas, and other things, to help get you started. David has written extensively on the subject of locksmithing. As always, you can email David with any questions you may have after reading this book. Who else has offerd you that? He also makes the claim that, in residential lock work, you have quick, easy money.