If the warehouse is full, surplus goods can be sold for 12 Silver each.
A unit of goods is worth 2 reputation points in the City it is transported to.
Once a Farm is exhausted, it can either be restored by 10% using an Engineer or sold for 357 silver (land) or 410 silver (water) and rebuilt nearby.
Some farms are accessible by two cities at once; Here's a list of them.
Cost to Build/Upgrade Farm on Land
|5||10 Farm Experts||10:00:00||-||5|
Cost to Build/Upgrade Farmstead by Water
|5||10 Farm Experts||-||-|