First, thanks for doing these “Do You Use It?” series - pretty informative
About the only thing I use Spotlight for is launching apps. It’s ability to return useful results for documents and folders is, wellll, lacking (I miss earlier versions ability to display items’ path).
I use a variety of methods for launching apps: (1) Spotlight, (2) Dock, (3) a couple of ‘docked’ folders with app aliases in a couple of categories (e.g., System Admin tools, “AV Tools” (Audio, Video, Photo editing tools)), (4) Launchpad… on rare occasion
I also have several other ‘docked’ folders containing (1) frequently used documents, (2) a couple containing links to often used folders; some of those folders contain aliases to folders containing aliases to multiple folders and documents I often use together as tabbed folder sets (e.g., select all, then either CMD-Option-O or CMD-Control-O)
As for finding files and folders, again, I use a variety of apps depending on what’s most suitable for my search: (1) DEVONsphere Express, (2) Easy Find (DEVONTechnologies), (3) Find Any File, and, if I’m searching within a Finder folder, I usually use Finder’s search (which may actually be a spotlight search)
Gotta say, Easy Find and Find Any File saved my bacon when thousands of file names on my Synology NAS were munged following a DSM update because they contained characters not supported (not sure why they remained unchanged before the update - Synology tech support never fessed up)… things like pikes “|”, spaces at the end of file names (viz., Space-period-extension), “?”’s and others too numerous to mention