Popsugar Living Budget Tips Making Extra Income 31 Ways Real People Make Extra Income December 31, 2019 by Emily Co View On One Page Photo 10 of 31 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Donate Blood Plasma "Donating blood plasma can net $250 to 350 a month if you go twice a week (or whatever the limit is). Typically takes three hours total per week." Previous Next Start Slideshow