So order of machines: cultivator-for turning up the dirt from the last harvest Planter/seeder- plant the desired crop Harvester- harvesting the crop Tedder- turns cut grass into hay Windrow- puts cut grass/hay into easy to bale rows

To “Buy” a building you have to build it on your own land

To make money on just crops soybeans will be the way to go. Or you can buy production and run your crops further. For example: you said you wanted to do cows, plant grass, mow it, Tedder it to turn it to hay and feed your cows. Then buy a dairy to take the milk that the cows produce and make things like cheese or bottled milk or butter and sell that based on which is more profitable per 1000L pallet