A word of caution for these drivers. With so many major companies investing in driverless cars, experts fear massive job losses in the neighborhood of 4.1 million once this technology takes root. For now, driving is a great way to earn extra dough, but keep cultivating new skills in preparation for the robot take over!

#3 Fitness Instructor. Staying in shape is a big trend. Think about all the folks hitting boot camp and Crossfit classes during their lunch break or after hours. This has boosted the demand for fitness instructors, currently numbering 300,000. Since 2012, over 33,000 new jobs were added (13% growth), making fitness instruction one of the fastest-growing careers in the nation.

Here are two bonus jobs to think about…

Personal Financial Advisor. Roughly 42 million Americans are shouldering the burden of $1.3 trillion in college debt. In fact, the average college graduate has some $37,000 in loans. Given this and the financial turmoil of the past decade, it’s no surprise that many people are focused on managing their money well. Personal financial advisors have grown by about 13%, adding 30,000 new jobs. Nearly 260,000 people work as financial advisors.

Information Security Analyst. As we use our phones and computers to shop, travel, connect and share, we create massive digital footprints. The companies that “own” this data for us are focused on maintaining and protecting it. When they make mistakes, it’s big news (see Yahoo!). Information security analysts have grown by 12% since 2012, adding nearly 9,500 new jobs dedicated to the protection of your valuable data. Many of these jobs can be found at the big tech companies, banks, and government contractors.

Rob Sentz is the Chief Innovation Officer at Emsi and leads the Find Your Calling initiatve, a free service designed to help students find their ideal career.