1. Doesn't seem necessary, as the job itself starts after the exclusion period has ended.
3. Yes, though this isn't insurmountable.
2. While it'll be harder, it's not impossible for the permit to be approved. There was a success story reported earlier, see
https://www.canadavisa.com/canada-i...fter-one-year-exclusion.828392/#post-10727163
4. Yes, this would be best.
5. From that earlier forum post, dual intent is a thing. So you might be able to pursue both at the same time - but this is something to double check with the lawyer.