"especially in the beginning you could get a lot of 6/2 rosters with early start and late finish."
Best be aware that the pattern above is the standard model irrespective of length of service.
The chances of you finishing early before days off and starting late after your days off are negligible.
In practical terms, you will have missed the late flight home, so would travel on your first day off and would have to come back on your second for the early start.