1 -8. Yes. 8P should be +15-16 Fastest SE.
8. I'll take +5 on this since I'm skeptical about it on 236K.
9. +2-3 at most because the move has great utility.
12. 4P 19 damage on NH so it will be 23 on CH. 23 on NH is too high. Other than that Yes.
13 - 18. Yes.
19. Dunno if necessary with buff to...