What you get for pumpkin rank:

4 Auction House Listings at Once 

4 homes

500,000 In-Game Money

3 Extra Player Vault for a total of 5

pumpkin kit (Every 7 Minutes)

What you get for pumpkin rank:

5 Auction House Listings at Once 

5 homes

750,000 In-Game Money

4 Extra Player Vault for a total of 6

pumpkin kit (Every 7 Minutes)

phantom kit (Every 7 Minutes)

/craft command

What you get for pumpkin rank:

8 Auction House Listings at Once 

8 homes

100,000,000 In-Game Money

6 Extra Player Vault for a total of 8

pumpkin kit (Every 7 Minutes)

phantom kit (Every 7 Minutes)

which kit (Every 7 Minutes)

/craft command

/feed command

/loom command

/stonecutter command

/grindstone command

/smithingtable command

/anvil command