What are some creative ways to make money?

What are some creative ways to make money? - I work full time, but extra money is always nice to have. what are some creative ways to make some cash?

There is a search engine being released in about a month that you can make money from. You buy keywords or phrases and earn profit share credits. Each week you get a share of profit. People can also buy your words/phrases and you make 15% profit,