If you're starting your filing with the MRIN Filing System+ you'll get it right the first time. If you're switching from another system, you might find Bulk Rename Utility useful.
I've used it a lot to bring my files into a consistent naming pattern.
It has so many options for renaming, the screen looks quite daunting. Don't be daunted. There's a couple of short videos to get you started.
Bulk Rename Utility - Batch Rename Files
Bulk Rename Utility Windows
From here you can experiment. Maybe make a test batch of files in folders within folders and play around so you're not afraid of breaking anything.
When you're installing it, check the option for adding it to your Context menu for easy access.
See a preview of your results before hitting the Rename button.