Many big businesses are looking for social media influencers to become long-term ambassadors for their brand. This would involve you working closely with one particular band, and promoting their clothes, products, and services. You may also be restricted from promoting other brands, so check out the small print before agreeing to any long-term agreements.
Perhaps you're interested in measuring America. “Census Bureau Regional Offices conduct continuous surveys—other than the once-a-decade population count—to supply the nation with important statistics on people, places and our economy.” The US Census website states that the local field workers understand their communities best and are an important part of conducting surveys with residents. You get to work out of your home and you're also reimbursed for your mileage. The Census Bureau is hiring across the United States and you can search temporary field positions here.
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.