Alternative Legal Ways to Make Side Cash

Freelance gigs
Using Freelance Gig websites such as Fiver and Freelancer
Paid writing assignments
Selling old crap
Vipkid slash teaching English to people in foreign countries
Shiftgig
Gig companies to do labor, concessions, food prep stuff, etc. at places such as arete
Jobble
Blogging
YouTube
Making websites
Paid performances
Using your referral codes to have other people sign up for apps such as Square Cash
Serving on weekends
Jobspotter
Surveys
Flipping thrift store or garage sale buys
Selling stuff for commission where you may have to make a small investment first
Plasma
Selling clothes at Plato's Closet or other similar places
Sweatcoin
Brand Ambassador gigs
Wonolo
Submitting to paid recipe or writing contests