Everyone has their favorite ways to spend less or spend smarter to get the most out of their money.
"Shark Tank" investor Kevin O'Leary, for instance, refuses to spend $2.50 on a cup of coffee. Jay Leno prefers to have two forms of income at all times: He banks the larger of the two and lives off the other.
CNBC Make It reached out to 10 other successful entrepreneurs and CEOs to find out their best savings hacks. Here's what they told us.