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.
Many online job platforms such as Upwork.com also have their own system for recognizing and removing job scams. According to the site, many of them involve “employers” who try to pay workers outside the site’s payment system, and engage in some sort of check or money order fraud. For more tips on avoiding job scams on freelancing sites, read about it here.