Weird Ideas That Helped People Make a Million Bucks

1.  Keeping a jellyfish as a pet

Young biologist Alex Endon wondered why pet stores couldn't buy jellyfish and decided to change them. Spent $50,000 to build a private aquarium to breed jellyfish. In 2010, a few years after starting the venture, the company started making $500,000 a year in profits and now has over $1,000,000 in revenue.