Questions about Dante

I realize there’s about a billion possibilities when it comes to Dante and a lot of them are situational, but I’m a beginner and my brain can’t hold that many buttons yet. I really just want one “best” thing to do in situations while I learn.
What do you use most often for the following:
To poke/confirm?
Incoming Mixup?(Akuma tatsu available)
Low-Medium execution BnB?
Lastly how do I get the most out of my devil trigger? Currently it feels like a waste of meter :frowning:

Thanks for reading, Sorry if this is in the wrong place, and all feedback is appreciated.

Are you able to bold cancel? This changes alot…