When it comes to being opinionated, it doesn't always pay. But these sites do pay you for your opinion, and your demographics. Online survey taking can be a great way to add a few extra bucks for coffee or to pay the cell phone bill each month. You won't get rich, but if you spend time in front of your computer and are willing to be an anonymous data-giver, it's worth a few hours here and there. Be prepared to give information on your income, job, household size, and purchasing decisions. The ubiquitous question you'll encounter most often? "Do you have sole purchasing power when it comes to groceries for your household?" If you can handle answering that question over and over, here are the 6 best websites for taking surveys and getting paid.

MySurvey.com

One of the largest online survey taking companies, MySurvey has paid out over $32 million dollars in rewards to its survey takers. Filling out a few pages on your lifestyle, interests, health, and financial information will help you get more surveys, so it is worth the time up front. Surveys garner you points that can be redeemed for gift cards, rewards and PayPal cash cards. They offer a wide range of gift cards, from Applebee's to CVS, and the MLB store to Facebook. You can get rewards for as few as 1080 points, and surveys range from 5 points to 50+ points. This is probably the most user-friendly interface of the sites out there.

Opinion Outpost

Opinion Outpost prides themselves on being exclusive and to that end, they have a fairly long welcome survey for you to complete when you sign up. It asks more open-ended questions than other sites and strives to understand the reasons behind your shopping decisions more than just your shopping decisions. Surveys earn about 5 points each, and you need 100 points to cash out for a $10 PayPal reward. They have minimal other ways to redeem points, such as for an Amazon gift card or an American RedCross donation, but their main payment method is PayPal. The website is a little bit clunky to use, but the surveys themselves are clear and fun to participate in.

Inbox Dollars

Inbox dollars is one of the only survey sites that racks up dollars and cents instead of points. It's also one of the only survey sites that actually pay out in cash only, no rewards or gift cards involved. You do need to have $30 in your account before you can cash out. They offer a $5 sign-on bonus for new users. Surveys earn 50 cents to $5 each, and you can earn dollars for completing other tasks, too. The interface is fun and easy to use, though it can be a bit complicated because they offer other ways to earn instead of just surveys.

Ipsos I-Say

Another popular online survey taking site, I-Say from Ipsos is very community-based. Interacting with other members and the various loyalty perks, such as bonus points that accrue when you complete a certain number of surveys. Points vary per survey from 5 to 90+. Rewards start at 500 points for a $5 gift card to places like Starbucks or Amazon. I-Say can be a bit confusing at first, and sometimes you'll start a survey and it will say you haven't been selected once you're a few questions in. Don't worry; they'll still reward your time with a few points.

Harris Poll Online

Harris Poll Online is one of the most respected companies because it is run by a familiar name: Nielsen, the company famous for television ratings for over 50 years. They pay in cash, too, but the numbers look lower than some of the points-based sites. Don't be deterred. Even a few dollars here and there adds up to coffee money fast. Every poll you take enters you into one of their biweekly and quarterly sweepstakes, too, an added perk. Don't be scared off by warnings of scams online…Harris Poll Online is not a scam, but there are many sites that imitate them and do scam users, so be sure you're on their legitimate site before giving away any information.

Swagbucks

Swagbucks is another company where you earn "Swagbucks" or points, that add up to earn you gift cards or PayPal cash rewards. The good thing about this is there are many ways to earn points fast, and you can cash out with a relatively low amount of 500 points. Those 500 points will net you a $5 Starbucks gift card, a $5 Amazon gift card, or a $5 PayPal card. You can also save points up for larger amounts or use them to purchase entries in Swagbucks giveaways. Swagbucks also has two levels of surveys, depending on your time availability, so you can pop in and take quick Peanuts Lab surveys, or wait for higher-paying but longer Gold Surveys. Other ways to earn Swagbucks points includes watching videos, playing games, and searching the internet. Warning: Swagbucks will ban you if you aren't consistent in your survey answers, so be honest and don't change your answers.

Pinecone Research

Pinecone Research is one of the better survey-takings sites out there, but the catch is you have to be accepted to be one of their survey takers. They only open up spots occasionally, so keep an eye out for when they are accepting new applicants on their website . They are very elusive because they require certain demographics at certain times, but once you're in, you're in. If they offer you a survey, you're qualified for it, which means you will get paid for it. Oh, and they pay a $3 per survey flat fee, and you can cash out at any time. They work with major companies and often showcase unreleased products, another reason they are so particular.Sounds great, right? It is if you can get in.