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Mechanical Turk: Amazon's Mechanical Turk is a resource for doing human-intelligence tasks, or as the site commonly refers to them, HITs. You get paid a very small fee for any given HIT and you'll need a good deal of volume to make a substantial amount of money. But it is a resource you can use in your spare time to generate a small income online. 
Samples. You’ll need some samples before you can really begin marketing yourself. Figure out which market you want to approach first, and then find or create some related samples. For instance, if you want to try your hand at blogging, study some successful blogs, and then write a few posts of your own to use as samples. Do this for any and every market you’d want to write for.
Why? Let's take a look at the numbers for a moment. Consider this: according to a report by eMarketer, digital ad spending in the U.S. will exceed traditional ad spending for the first time this year. By 2023, digital will surpass two-thirds of total media spending. Total digital ad spending in the U.S. will grow 19% to $129.34 billion this year -- 54.2% of estimated total U.S. ad spending.
Your Price. When establishing a price for your classes, start by calling around and finding out what other choices your clients have. If you plan to offer cooking classes, call some commercial establishments and other in-home teachers. Compare your own talent and experience to what they’re offering, and set a price accordingly. You should always come in a little lower than classes offered by commercial establishments as that will be one of your selling points: expert information for less money.
Amazon makes it fairly easy to list and sell old books, games and devices on its marketplace. You can make more than just a few bucks If you have pricey textbooks from college. Be sure the books are in good condition. You'll get negative reviews if you attempt to sell books that are falling apart or games that are scratched up. Remember, be upfront about any defects, no matter how small they might be and no matter how few people might readily notice it. 
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