Seems like you are off to a Great Start. I am a Pilot Institute Alumni (aced the exam 100%) so I have only great things to say about PI and the course by Greg Reverdiau…
Since you have already been on the FAADroneZone to register your drone, go back on and get a few authorizations to fly in restricted airspace like at Austin Executive Airport (not LAANC enabled…) it's good practice, not in the zero altitude areas, just the restricted altitude areas. Also get use to requesting LAANC at Austin-Bergstrom International. Not to worry, they do not hold you to it…
I use the DroneUp App and Windy.com for almost all of my flying, B4UFly and UAVForcast are good, but not as good…
As for changing the Flight Control Modes, practice, practice, and practice, you need those movements to be Second Nature, Muscle Memory, AND…
DO NOT let a Friend try your Drone without a carful warning that your controls are not standard…
I know you are flying the Pro, but Greg also offers a FREE Deep Dive Course on the
Mavic 3 and it is really comprehensive on setting up and using the Mav 3…
learn.pilotinstitute.com
Now, go have fun, and thanks for the feedback.
LT Signing Off..