Just got my first iPad!What are the must-know tips, hidden features, and apps I should try?

Hey everyone! I recently bought a new iPad (iPad A16) and I'm looking to get the most out of
I'd love to hear your recommendations:
Hidden features or gestures that aren't obvious
Settings I should enable or change right away
Best apps (productivity, note-taking, drawing, media, utilities, games, etc.)
Apple Pencil tips (I'm using a third-party pencil)
Accessories that are actually worth buying
Things you wish you knew when you first got an iPad
Any battery, storage, or long-term maintenance tips