Parameters for Excel File Path in Microsoft Power BI

When I am working on, building and/or designing my Microsoft Power BI reports, I go back and forth between my desktop PC and my notebook.  If my data source is a local file, like an Excel file, it can be tricky.  Tricky, that is, if you do not use parameters for the file path.  I use this feature now, EVERY time I work with local data.  Saves me oodles of time and frustration! Check it out!