There are siveral Types of Business in the Tourism SecTOR. The first ist is a Tour Operator, Here You Need to Negotiate with Hotels, Book Vouches, etc. D. Travel Agencies — Intermediaries Between a Tourist and Tuerper. Well, Information Business — Let’s Say, Tourist sites, Blogs, Portals, ETC. D. Which of them Is the Most Profitable? It’s hard to see. But, the most Costly — to be a Tour Operator. Being a Tourist Agent is Much Easier, Here You Just NEED to BE ABLE To SELL. By the Way, this cano include Various Excursions, Parties, Presentations on the Topic of Tourism.