Depends on when you want to eat. I would make them to be sure to have a table when you are ready.
You ought to, just to be safe.
You can make reservations and it's better to have them and not really need them than the other way around. I would recommend reservations, because you don't want to miss out on brunch there. It's outstanding.
Yes
Yes, it's better safe than sorry.
I would. You could probably get an outdoor table without a reservation though.
No
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