Below are a few links to places I visit to earn a little bit more.
Inbox Dollars pays you to click on emails, it's not much but it adds up quick. I recommend setting up a different email if you sign up for these things. I have one for just paid emails and surveys.
Send Earnings is just like Inbox Dollars more free money!!
These two are alike and also pay for reading emails.
I use all of the above and have never had any problems. I take a few minutes everyday and "read" my emails and get paid for it. None of these sites are get rich quick schemes but in my mind every penny helps and those pennies add up quickly.