Reservations in Heaven Springs had always been unpredictable, and most rooms weren't open to the general public—even if said rooms were vacant for the night.
It was not as if Albert Rhodes didn't want to make money when he built Heaven Springs. He simply didn't do it solely for profit, but only mostly for social events and posturing.
Back when he was a humbler member of society, he realized that many bigwigs and even his fellows cared for pride a lot. Be it food, liquor, or even simply everyda