Sell unused items on Facebook Marketplace, eBay, Craigslist, or OfferUp
Do freelance gigs on Fiverr, Upwork, or Freelancer
Offer quick local services online, like tutoring, pet sitting, or lawn care
Complete paid surveys on reputable survey sites
Do microtasks on Amazon Mechanical Turk or Clickworker
Test websites and apps for money on UserTesting or Trymata
Deliver food or groceries through apps like DoorDash, Uber Eats, or Instacart
Rent out a room, car, tools, or equipment
Flip items by buying low and reselling higher
Offer virtual assistant services
Create and sell digital products like templates, printables, or ebooks
Teach a skill through online lessons or coaching
Join affiliate programs and promote products
Do short-term remote contract work
Sell stock photos, videos, or music
Offer resume writing or proofreading services