...I understand it, I can build it, etc, but my my my am I frustrated with the initial expenses for set up!! Let me explain, I am trying to create: 1 - fish / sump pond with dimensions of 2m x 1m x 1m 3 plant beds - 2m long x 1m wide x 1/3m high However, trying to price and find commercial beds, insanely out of the question. IMO, that's the limiting factor there. DIY - EPMD liner is insanely expensive. The first bed alone for the fish will cost over $350US, and as much again for the plant beds. Then a person needs to add in the plumbing, cost of a pump (relatively inexpensive compared to the liner), backup pump, air pump, air tubing, I am looking at an easy $1000 that this 24/7 Caretaker can't come up with by any freaking means what so ever. Any ideas to bring the prices down besides do as usual and scrounge scrounge scrounge? The greenhouse or what ever cover is being made with round wood, cob and whatever else I can find / afford. So please, any ideas, chime in.