The most feasible rewards are the fraction of the cents. But watch out, there also scams on this ptc site, bux sites. To give you some ideas whether this sites are legit, try to visit ptc-investigation website (ptc-investigationdotcom)
The most and popular PTC sites that are really paying I personally know (which is I am a member) is neobux, clixsense, ptcbox. Remember this "All legit sites are free to join, If the site let you pay for amount to be registered 90% that is a scam".
For the online typing jobs, programming jobs, try this legit site: elance, freelancer (add .com after the site name).