Upgrade your warehouse

You can upgrade your warehouse by giving the warehouse manager enough goda, or buy Warehouse Expansion Equipment to upgrade it.
1.   Upgrade your warehouse by giving money to NPC.
1)   The first upgrading costs 300,000 godas, which can add 10 more slots into your warehouse (No level requirement)
2)   The second upgrading costs 700,000 godas, which can add 10 more slots into your warehouse (requires level 21)
3)   The second upgrading costs 3,000,000 godas, which can add 10 more slots into your warehouse (requires level 41)
4)   The second upgrading costs 10,000,000 godas, which can add 10 more slots into your warehouse (requires level 61)

2. Upgrading your warehouse by using Warehouse Expansion Equipment.
One Warehouse Expansion Equipment can increase the number of slots by 20.
The price of one Warehouse Expansion Equipment is 250 points in the online sho