It's Bill that's spent the money on his cussed booze and gambling. Way of the Lawless Max Brand The gambling houses can do it, and so keep on breaking the law.
When Winnie tries to drink, Jesse stops her. Then Mae and Miles appear. Alarmed at Winnie's discovery of the spring, they kidnap her. Winnie learns that the music she heard comes from Mae's music box. She also learns the Tucks' secret: the water in the spring is magic and has made them ageless.
Quora User, I'm only here for the food symbolism. There are hot springs under Winterfell that are piped through the walls. It's what keeps the castle heated (read: habitable). The theory (which I don't really believe) is that the hot springs are heated by a dragon under the castle. There's also the rumor that Jacaerys Velaryon's dragon Vermax left eggs at Winterfell down in the crypts when Jacaerys went north to get the Starks to support his mother Rhaenyra during the Dance of the Dragons.