Vault (Reward: Bus Repair)
2500 bundle
Items needed: 
2500g
Reward: 3x Chocolate Cake
5000 bundle
Items needed: 5000g
Reward: 30x Quality Fertilizer
10000 bundle
Items needed: 10000g
Reward: 1x Lightning Rod
25000 bundle
Items needed: 25000g
Reward: 1x Crystalarium