Make a building next to the paddock.
A modern building of concrete and sheet iron is too dear.
You can improve the housing of sheep and goats, which is called a sheep shed or goat shed, without spending too much money. Use local materials.
Before spending money, you must reckon what the money will produce.
If the money spent produces little, it is not worth while. Do not do it. You will become poorer, and will be discouraged.