[Guide] Tile Buildings

The following are the prices for the first building of the following buildings. Apparently, they increase in cost as you get more as well.

Silo: Increase your food storage by 3000 units, allowing your kingdom to be longer self-maintained.
Requires:
100,000 Gold,
1,050 Tier 5 Wood,
1,050 Tier 5 Ore,
1,050 Tier 5 Plant.

Locator: Improves adjacent tradeskill building by giving a better chance to find resources.
Requires:
100,000 Gold,
17,500 Tier 1 Ore,
17,500 Tier 1 Plant,
3,150 Tier 4 Plant.

Gem mine: Produce 1 Gem per day. Requires:
10 Gems,
200,000 Gold,
17,500 Tier 1 Fish,
12,250 Tier 2 Plant,
7,875 Tier 3 Wood,
3,150 Tier 4 Ore.

Billboard: Increase combatant exp by 5%.
Requires:
100,000 Gold,
17,500 Tier 1 Wood,
17,500 Tier 1 Ore,
12,250 Tier 2 Wood.

Lumber camp: Increase Woodcutter yield by 5%. On forest. Requires:
100,000 Gold,
12,250 Tier 2 Wood,
1,400 Tier 5 Wood,
1,400 Tier 5 Ore.

Barracks: Increase the maintenance cost of adjacent enemy kingdom tiles. Requires:
100,000 Gold,
17,500 Tier 1 Ore,
17,500 Tier 1 Plant,
12,250 Tier 2 Ore,
7,875 Tier 3 Wood.

Keep: Allow you to add one more resident to your kingdom.
Requires:
1,000,000 Gold,
17,500 Tier 1 Ore,
7,875 Tier 3 Wood,
7,875 Tier 3 Ore,
1,400 Tier 5 Plant.

Fish: Increase Fishermen yield by 5 %. On water.
Requires:
100,000 Gold
17500 Tier 1 Fish
2250 Tier 2 Wood
1400 Tier 5 Fish

Trade Center: Increases Salesman yield by 5%. Built on Cities.
Requires:
100,000 Gold
12,250 Tier 2 Plant
7,875 Tier 3 Ore
7,875 Tier 3 Fish

Farm: Reduces kingdom maintenance cost.
Requires:
100,000 Gold 17,500 Tier 1 Wood
12,250 Tier 2 Plant
3,150 Tier 4 Fish

Botanist: Increases Gatherer yield by 5%
Requires:
100,000 Gold
12,250 Tier 2 Fish
7,875 Tier 3 Wood
1,400 Tier 5 Plant

Mine: Incrase miner yield by 5%
Requires:
100,000 Gold
17,500 Tier 1 Wood
3,150 Tier 4 Ore
3,150 Tier 4 Plant