If your goal is to upgrade, eggs will be sold at the lowest price. After all, you can brush out experience in 20 minutes. When you can plant trees, you can plant all kinds of trees and fruits. I've had a lot of experience.
If you are afraid of too many dead trees on the farm in the later period, plant the diamonds well, start the machine first and try to make it run for a long time.
Finally, there is a lot of experience in making task cars. You can add an activity group to exchange building materials. In the early days, the granary also rose rapidly, and the items that were not lacking called for help in the group.