One example is, suppose you want to look at how COVID-19 has impacted the hospitality sector. In that case, you can pick possibly a consultant case, for instance a big resort chain, or an outlier case, like a tiny Bed and Breakfast which has managed to survive the pandemic. https://andreuoftn.goabroadblog.com/32240592/the-best-side-of-help-with-case-study