Yeah, from my experience unless you're super junior opening it up to even close to the same percentage of pairings as your seniority is overkill.

You have to be realistic. Especially when 90+ hours are being required, max credit is the name of the game. It's very possible to outbid your seniority if you do the legwork, many senior guys have no clue how it works/are not used to being assigned that many hours and still have not adjusted their bid accordingly.

The users guide is garbage but will teach you the basics, start asking CA's whats up. It'll be clear who knows what they're talking about and who doesn't.