Use standard reports such as funnel, retention or event custom SQL to get a quick overview of your data.
Retention On Attribute
Calculate total retention based on e.g. price of payment event to get insight into recurring revenue.
How many total and percentage of users performed at single action at least one or more times?
User Calculations By User Cohort Dates
Calculate the totals and average for the number of users, their events and other user properties. Using user cohort dates, such as user first seen.
Event Calculations By Event Date