Go with level 4 (advanced). Best bang for the buck in my opinion. Also try to find him for about 12k-ish and I wouldn't pay more than 20k or 30k for signing bonus. You ahve to be patient.
Now, the rest of your questions should really be asked in the help forums instead of the USA general forums. Maybe a GM can chime in if I'm wrong on this?
You seem to have answered all of his questions, the rest was just a bit of background information about his team (which is kinda helpful when doling out financial advice, actually).
He could get answers faster in Help, of course, but it's not like this forum is so choked with posts that we can't handle a question or two.
