There is a massive market for helping people lose all those extra pounds, and then keeping them off. Sub-niches you could take part in include ideas like a personal trainer YouTube channel aimed at young adults. Or you could run a niche site, or offline business, offering customized meal plans. Or maybe a digital product on weight loss for busy people.
Create and monetize an app. Mobile applications are a large and still-growing market that can provide you with a large amount of income if you know how to capitalize on it. The first and most challenging step, however, is creating an app that people actually want to use. Try to assess the need for an app by thinking of useful apps you would want or problems that can be solved by an app. Then, look for current apps that met these needs. If they aren't any, or if they aren't any quality ones, consider creating your own app.
It’s very complicated to figure out what you need to get voice, data, and texting back on your phone in another country without racking up huge bills. Each country is different. Some countries you need to get a local SIM, some countries you just need to call your cell provider and turn on international data, some countries just don’t have good enough service to make it reasonable to use a phone, etc.
Venture capitalist Marc Suster has a blog post called “Is It Time For You to Earn or to Learn?” and I think that’s the exact scenario here, especially when you’re first starting out. I use none of those skills nowadays that I learned in college. It’s totally useless. As a matter of fact, the first job I got coming out of college was a dead-end job doing data entry, and my friend introduced me to Internet marketing, and that’s when I started learning everything.