What an exciting day! I'm with Linda on the ears, I prefer the natural floppy ear so I can't give data.
I have read on here that there are fewer ear infections and issues with the cropped ears- it makes sense. We live in the SE USA so it gets humid, but we use an ear cleaner and we rarely have an infection.
It's great you'll be home a lot. That should help your training go faster, and you can nap with him during the day to make up for the night potty training trips.