You can expand your Zapier automation skills by leveraging various power user-level hacks, including adjusting date and time values, inserting the current timestamp, bypassing static or limited dropdown fields, customizing date formats in Formatter, splitting up data from Zap triggers, mapping missing fields from sample data, triggering multiple Zapier webhooks from the same event, and adding these techniques to your automation toolkit. By utilizing these advanced features, you can streamline your workflow, automate tasks more efficiently, and take your Zapier skills to the next level.