Become a photographer
Nowadays you do not have to be a professional photographer to take priceless pictures of overseas places, people or food. Everything you need is a camera. It can be a conventional camera or even camera in your smartphone. Learn some useful tricks how to edits pictures in different photo editing programs. When you have edited your pictures into works of art, upload them on some photo stock website. It will allow you to earn some money – you will get commission from each sale of your pictures.
Become a blogger
Writing a blog has a lot of advantages. One of them is making money out of it. Having your own website allows to become an affiliate, sell your own products, as well as attract sponsors. Nowadays the cost of domain, hosting and theme is sufficiently low, so anyone can afford it. Of course, it is not so easy as it might seem, because everything has to be right to earn money from it. You can get ideas and inspiration from successful blogging, watching what other bloggers do in their blogs. You can also read specific books and websites or become a member of bloggers websites.
Write for someone for money
If you are a good writer, try to sell your articles to some websites, blogs, newspapers or magazines. There are a lot of websites which pay for content. All you have to do is find them and choose some which are appropriate for your competences.
Collaborate with free e-shops
If you have a lot of stunning pictures from your journeys, use them on products, for example, t-shirts and phone covers and get paid for it. You can collaborate with existing e-shops or even create your own e-shop. All you have to do is upload your pictures at e-shops and watch people ordering different things with your pictures on them. Usually e-shops take care of everything else – they are responsible for production, shipping and payments.
Make videos about travel guidelines, tips or just funny stuff from your journeys and upload them on YouTube. If video become popular, reaching thousands or even millions of views, YouTube pays some money, creating passive income for lifetime. There are a lot of sources where you can read tips on how to succeed on YouTube. You can also watch inspiring travel videos on YouTube and create your own.
Write a book
You might not have the time for book writing, but you have to know that there are some websites which create e-books from your already existing content, edits it and publishes in on several platforms of e-books for you for a share of profits. Nowadays there are not only conventional e-books, but also interactive e-books which contain audio, video, games and other files, therefore, it is a great opportunity to you to unite your content and your videos on YouTube.
Visit local markets and search unusual things which you cannot get anywhere else, for example, antique stuff, collectible stings, jewelery, decorations or high quality clothes. You can sell your stuff on eBay or sell it directly to buyers.
Do freelancing jobs
As you do not have much time for exploring during traveling, become a freelancer and do jobs which can be done almost anywhere in the world. You can be a travel guide, writer, copy-writer, translator, English teacher, graphic designer, photographer, artist, dancer, coach, marketing consultant, virtual assistant, journalist or even independent entrepreneur. Search for these job offers in specific websites.