Most of people nowadays think microservices architecture is a great way to build any system. They visit conference talks, read books and review tutorials, where ‘hello world’ applications are built just in several minutes using microservices approach. But the reality is not so wonderful and one of the biggest pain is hidden inside distributed business transactions. In monolith application this topic is almost completely covered with DB level transactions. In distributed world you have to face many issues trying to implement reliable and consistent business logic. In this talk we will review different types of problems related to distributed business transactions, popular SAGA pattern, frameworks and techniques to simplify your life without compromising quality of the system.