On the 30th of Winter, Grandpa's Spirit will evaluate you.
The Criteria used are - number of chickens you own - number of cows you own - amount of soil you have cultivated - the total amount of crops you've shipped - type of house you own - maximum cow affection rate - amount of money - your happiness rating - and the number of Power Berries you've eaten.
If you've met his guidelines to becoming a Ranch Master, Grandpa will give you a gift. Otherwise he will enlarge your farm.
To become a Ranch Master you must have:
- 4 adults of each animal
- Cultivate 1600 pieces of soil
- Shipped 4500 items
- Own the SuperDeluxe Wood House
- Earned 65536 gold
- Have a 250 happiness rating
- Eaten at least 6 Power Berries.