Ok, my own questions (er, confirmations) since I've only ever done one other tournament challenge (months ago!).
We can start on any lot/house we want. But we cannot move houses, just worlds, and only once the requirements are fulfilled.
The military sim must go to work all days, so no calling in sick and/or taking unpaid time off
No premium content, since it usually provides an advantage. Does this also apply specifically to the changing station that we got with the lullaby set?
Kids can do pretty much whatever they want. Except move a partner/spouse in, and daughters can't have nooboos (but sons can, since they aren't born in the household).