These are all quite old-fashioned requirements, to be honest. As long as you're sending your finished artwork as a PDF file, the PDF saving process will take care of all of it.
PDF will take care of it.
PDF will take care of it.
The "resolution" in Illustrator is irrelevant. You'll set the output resolution in the PDF saving process.
PDF will take care of it.
This part makes me nervous. May I see what the design looks like?