Few "how to" questions

If possible:

  1. How to make landmark spawn units when completed?

  2. How to make units available age earlier?

  3. How to change cost increment of byz cisterns?

  4. How to add all mil upgrades to winery? (I added wheebarrow successfully but horticulture is in q position where priest is. Is it possible to change horticulture position to add it to winery ui?)