WooCommerce Follow-ups is a premium extension.
The following are a long list of tutorials for setting up emails based upon different customer and store scenarios.
|Scenario||Link to Tutorial|
|Failed payments or Pending order status||Read the tutorial|
|Suspended subscriptions or failed subscription payments||Read the tutorial|
|Before an active subscription expires||Read the tutorial|
|After a customer uses a coupon||Read the tutorial|
|After an order is completed||Read the tutorial|