1. B - Watch the anime. I read the manga last year but have only seen a couple dozen episodes of the anime. It'd also be easier for me to obtain.

2. B - Any long-form read-along I've participated in has died off when stretched out too long.

3. B - See above. The anime is about 100 episodes, isn't it? That's a year of watching at two a week.

4. Maybe pause one if it gets too far ahead of the other?

5. C - I'd probably be going back and forth anyway.

6. No preference. Even for anyone new to the series, it's 25yo.