A few tips and tricks to remember
Once we initialize the import dialog, we can toggle between its miniature and full version by clicking on the small arrow in the bottom-left corner.
If we can't see pictures on the inserted memory card, it's good to make sure that the computer can see it, and if it does, remember to tick Include Subfolders.
Remember to check whether photos will be copied, moved, or added upon import to avoid unnecessary cleanup work later.
Remember to set Don't Import Suspected Duplicates ON or OFF, depending on your preferences.
If you shoot RAW and JPG and want to keep both files, remember to check the Treat JPEG files next to RAW files as separate photos box in Menu > Lightroom Classic > Preferences > General.
Use the "Shift + ⌘ + I" keyboard shortcut to initialize the import dialog from any Lightroom module.
Keyboard Shortcuts within the Import Dialog
"G" – enter Grid View (the same...