How to Know Which Apps are Safe to Install (on Degoogled Phones)

This has become a more complex topic as the dangers of apps have multiplied with apps selling data. And then there are sometimes Google apps you want to install and you want to know if they are safe. There are some beginner guidelines that I will provide for you so you can make that choice. Some of it depends on your threat profile. So this is not a once size fits all case.