Supermetrics is great for you if you know how data is structured within Shopify (or Google or Facebook...). But if you don't know—and don't care—how Shopify manages its data, you are better off clicking one single button to get your answers with Airboxr.
One click with Airboxr
A single click will provide you with the reports and answers you need.
Complex querying with Supermetrics
You will need to learn how to query complex data structures yourself.