$900 Net profit.but this is gonna take up three times the space for only a $300 increase. 6 Fisheries / 6 Cider farms for $180 total upkeep 150 Peasant houses supports 1200 peasants for income of around $1080 (Rock bottom peasant tax is. If you want to tripple the size of this income farm the tax rate will hit rock bottom at 900 peasants but. 2 Fisheries / 2 Cider Farms for $60 total upkeep 50 Peasant houses supports 400 peasants for income of around $660 (400 peasant heads will start to effect the tax efficiency but this is all about easy set up) If you want to save space on production buildings but still want a chance to put an income farm on each island then this might be an easier option than setting up the Citizen Towns