Me again @JackOtis and this is a great question about preferred “start dates” and one I can’t remember seeing on the forum. Look forward to seeing our member feedback on this
I have combined your two questions into one post here (just in case you wondered what sort of magic was at play 
).
There are several topics about handovers and arriving before, or on the day of the sit and so as well as any feedback you get here, these will provide some interesting reading: