No, but if there is alotnof people there may be a wait
Yes, advance reservations through recreation.gov are required to tour the Roosevelt Home. No reservations are required to walk the grounds.
No
They only take about 15 people through the house at a time. There is no air conditioning in the house, so it may get warm. There's another house on the property which is a museum and air conditioned where you could hang out if you have to wait and there's a nature trail down to the beach, but there's no shade on the beach.
Thanks! Your answer is awaiting moderation.