And with a more elaborate drainage system than Mike's. I have a lot of ideas spinning around in my head. One is to heat it with biomass, a la Jean Pain. I literally have easy access to tons of wood chips.
Thanks, Paul. I've had Mike's $50 and Up book since the early '70's. Read it then and it's been on the shelf ever since....or was until the grandkids moved in. I'll pick up his greenhouse book. I've been going over your wofati ideas and see some interesting things there. I suspect I have much the same mentality as you with regards to cheap and readily available materials. My problem here is logs are neither cheap nor available in quantity. Dirt and wood chips fit both criteria (both are free). Composting the wood chips has the advantage of providing large quantities of fertilizer needed for an acre+ of garden. I've been composting chips on a smaller scale for several years.
Listen. That's my theme music. That's how I know I'm a super hero. That, and this tiny ad told me: