I think there could be houses that rain once in a while and takes rain out of their needs. Or a lizard house and they eat pests 1-3 with their tounge. Or a green house that takes of sun as their needs. They can be 10,000 crowns or 100,000 gold in the crown shop. There would be more than that though but still it would help me and the fellow gardeners that need some helping hands with their garden and could save them 3-25 pet/plant energy.