Rookie energy auditor I. Salary: $31,000 

After some training and a heck of a lot of hard work, you land a job as an energy auditor. You're just the rookie, so it's your job to carry the heavy equipment and battle spiders the size of your fist, but you're confident that someday you'll be an old pro. Then you can make someone else fight Shelob.

Private sector energy auditor II. Salary: $42,000 

You're still working for the private sector, beefing up your skills. Sure, it's great to be helping homeowners save money, but you're kind of feeling the urge to make some things greener...starting with your bank account.

County energy auditor. Salary: $67,000 

When the county government contacts you about making their buildings more energy-efficient, you're ecstatic to lend a hand. This will save everyone's tax dollars for something critical, like new roads...or a cat café.

Company energy auditor. Salary: $81,000 

A private sector company made you an offer you couldn't refuse. The promise of a sweet salary increase, coupled with a chance to help a whole company's worth of people save energy at the office and at home, was just too much to resist. You're only human, we assume.

Federal Energy Auditor. Salary: $112,000 

Your reputation earns you an offer with the federal government and you happily accept. Now you're doing something almost no one actually does—help the government spend less on energy costs. You're practically living in the White House. Is this a great country or what?