I recently presented in SharePoint Saturday Toronto on Power Automate (MS Flow) basics, Behind the Scenes, Errors, and Troubleshooting. The session included tips on avoiding being Throttled and tips on when & how to use SPlit On, Concurrency Control and Pagination on a flow trigger. Also, I have added the best Practises on how to set up Access Control for Flow Connections.
Download or View my slidedeck on Slideshare.