Hi @lpburny,
Let me try to explain.
The plugin is not firing actions when some condition becomes true. Generally, conditions are true or false from the moment the order is created, and are not changing. For example, the “Minimum order amount” – when an order is created, its subtotal either reaches min order amount, or it doesn’t.
Instead, the plugin uses crons (or the action scheduler). It goes through orders periodically using an interval (e.g. once per hour). And if all rule’s conditions are met (including time trigger) for some order, the order status will be changed according to that rule. This interval (i.e. how often to go through orders, once per hour by default) is what you can change in our “Advanced” section.
The only exception is when you set the rule’s “Time trigger” to “0” (zero) – in this case, in addition to the cron, the rule will be applied immediately when order status changes.
Hope this helps. Please let me know if you have any questions.