Although very little data are available for this work-at-home job since it is relatively new, thousands of listings for social media managers can be found on sites like CareerBuilder.com, SimplyHired.com, and Upwork.com. If you have a demonstrated command of social media and a sizable following, you might even be able to get started by reaching out to companies directly and asking if they need help.
Donating plasma can actually work out better than selling your blood. It takes longer to donate plasma because they will put your red blood cells back in your system. The upside is that you can donate plasma as much as twice a week and you can make anywhere from $40-$60 per donation. You can make that $100 in less than a week if you can stomach the needle.
Websites like Care.com connect parents with babysitters. The company does all the background checking and other due diligence to put parents' minds at ease. Of course, you can appeal directly to people in your personal network, but if you're looking to generate recurring revenue sign up with a site marketing to parents looking for child care services.