Just as added anecdote; we've booked 2 rooms (at values) a lot of times, and it has been rare to get connecting rooms (we have indeed had them, but a small percentage), but they did really good many times giving us adjoining rooms, and there have been sometimes we've been separated by several rooms, but have been in the same building/on the same floor. So, if you are ok with that, then go for it! Usually they do everything they can for families with younger kids to get those connecting rooms for you, but it obviously doesn't always work.