The best part about this is that you don’t even have to ever touch the actual product, nor do you have to spend a dime on manufacturing these products. They do all the work for you. You just upload the design, choose the items you want your design to be on, and they’ll handle the rest (i.e. manufacturing, payment, shipping, and handling, returns…).
In most cases, when it’s too good to be true…then it normally is. A good way to check would be to first analyse the site and ensure it is in fact indexed in Google. There is no such thing as “Instant Riches”. I agree with Satrap, if you want to make a lot of money online then you’re going to sacrifice the needed time. Making money online is an art, not a contest.
Double check yourself, before you double wreck yourself. Make sure everything you send to a company, whether a résumé, an email or a portfolio, is good to go. Double check your grammar and wording, and for God’s sake use spell check! This is especially important when it comes to the company’s name. Don’t spell their name wrong and be sure to type it how they type it (e.g. Problogger, not Pro Blogger).
The social media fan base is an asset for such people, most of them are in the entertainment domain. People related to fashion and entertainment domain can monetize their Instagram page. You can check the fan base of BhakSala, Gabbar Singh and StoryPick, and you can imagine how valuable those can be for any company who want to advertise on such pages.