I've been talking to friends about selling our small house and 10 acre-land. But the house I want to move in, just in case we sell ours, has bigger mortgage--20 years to pay, even with the money of the sale of our house. That means, it's to no advantage for our family to acquire another big debt and 20 years to pay. We fully paid our present house within 7 years, 7 years ago. Friends told us about these heavy steel shipment containers that people, nowadays, use for house extensions. Our friend, a house builder can help us cut windows and doors into them and build insulation and walls to divide into more rooms. We don't have to pay building permits. And the prices of sizable shipment/storage containers can be repayable only within 2-3 years. I think my husband will consider this. I hope.