You can benefit from business analysis skills regardless of your profession or personal situation. Five hard-core BA techniques that you can easily adopt in your private life.
Strategic, Tactical, and Operational Business Analysis are three distinct levels within an organization. Although they are all called business analysis, there are significant differences in the breadth and depth of the tools and techniques necessary to support each.
Business analysis is a skill similar to writing. That means that almost anyone can do it, but doing it well requires knowledge and practice.