There are a host of online survey sites that pay you for your opinion. Many of these market research companies can be quite lucrative if you are willing to spend the time finding out which ones suit you best. I am currently getting paid to fill out surveys, complete offers, watch promotional videos and read emails on the site Vindale Research. Vindale Research pays up to $75 for surveys and they give you a $5 signup bonus.
Most sites have a minimum dollar amount level you have to reach before they payout, but if you work to help market their site to your friends and generate referrals, along with completing the surveys, you can be making great money in no time.
Some of the other survey sites where I earn money include: