After maining BLM for months, the BRD in my static had some RL issues come up and could no longer play. I offered to switch to BRD as we had another BLM ready. I am decent at it, but by no means an expert, and had a few questions:

1- what is the ideal opener? I've heard quite a few things about this, so I'd like some more answers.
2- is it best to clip dots when buffs are about to run out? or does it drain too much tp?
3- when is an ideal time to sing paeon in each turn?
4- I am currently i110, using diamond bow and auroral pants. I know both of these suck, but not having much luck with farming HA bow or pants- how much DPS is expected? I'm not planning to push 500+ like on BLM, but I don't know how much lower I should be.
5- should I wait for my MP to completely refill before singing? say I play paeon for half of my MP, should I wait till its full to put up foe or just go foe for the other half of my MP?

thank you in advance.