I've been able to get my holiday buildings up to level 2 just with free items that each requires, but then I have also taken each to level 3 with gems because their profit is so great at level 3. If you assume that you hold an event in each building, here are some comparisons:
These figures are for the profit of the building plus its event PER MINUTE:
- Red Dragon Hotel (St. Patrick's Day) - $122
- Happy Santa Hotel (Xmas) - $120
- Snow Castle (New Years) - $116
- Fairytale Castle (Valentines) - $114
- Easter Miracle Hotel - $114
- Wild West Hotel (non-holiday,950 gems) - $103
- Bathyscape (non-holiday, 750 gems) - $89
- Villa (non-holiday, 650 gems) - $80
- Four Aces Casino (non-holiday, 1.3m) - $72
- Island Hotel (non-holiday, 40 gems) - $72
- Bavarian Inn - $48
- Deluxe Hotel - $47
The list isn't complete, but is enough to give you an idea for how much more profitable the holiday prizes are compared to regular buildings. WELL WORTH THE EXTRA EFFORT!
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