i) Write a scraper that compares electronic prices on Craigslist with what the fair value is on ebay/priceonomics. Auto send emails to craigslist sellers who are selling below market value, purchase, and then sell on ebay/craigslist. You can do similar live negotiations at moving sales.
ii) Airbnb your home, especially if you live in or near a big city. Or rent a home to Airbnb.
ii) Airbnb your home, especially if you live in or near a big city. Or rent a home to Airbnb.