But don't make the mistake of thinking this will be a passive source of income—you're on call whenever you have a guest and you'll always need to keep the place clean for incoming visitors. On top of just renting on Airbnb, consider offering your guests paid add-ons, like Lauren Gheysens', Royal Day Out in London, England—where she gives visitors a local's only tour of the city, complete with bespoke 18th century costumes.

For those unfamiliar with affiliate marketing, it’s simply referral marketing where you earn a commission. Let’s say that you have a website and refer a book on Amazon. When the visitor clicks the affiliate link and buys the book, Amazon will pay you a percentage of the sale. People love affiliate marketing because they can start earning money passively with few startup costs.
2. InboxDollars – InboxDollars is similar to Swagbucks, since you’re going to be taking surveys, shopping, etc., so if you want to maximize your return, sign up with both websites. They also offer a search engine that pays you (like Swagbucks) and you get $5 just for signing up.  I won’t continue to list survey sites one after another down the list, but if you want to get paid to take surveys, also check out GlobalTestMarket, E-Poll Surveys and Survey Club.
It wasn't just the money, but more so, what that money symbolized. It was his ticket to something bigger and greater. He had discovered how to arbitrage in the real estate market by flipping contracts. Today, he's one of the world's most astute house flippers, but also a brilliant industry leader. He took what he learned by arbitraging in real estate, and created an entire real estate SaaS and training business, Real Estate Worldwide, around it, which currently has over 22,000 members.
City-dwellers often don’t use their cars for days or weeks at a time. That idle time can translate to money with services like Getaround and Turo, which let you rent out your car by the hour or day. Earning potential varies by car and location, but standard vehicles typically rent for $30 to $50 per day. Luxury cars and sport-utility vehicles command even more money. Just be sure you talk to your insurance provider before signing up to make sure that you don’t run afoul of the policy.
Our wage and job-growth information come from the latest edition of the Bureau of Labor Statistics’ Occupational Outlook Handbook. The BLS lists “median” wages for jobs rather than “average” wages. The median wage is in the middle of the data set, with half of the jobs paying less and half paying more. BLS job-growth projections are for 2016 to 2026. 
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