A complete 10x40m fabricated Greenhouse including installation cost, drip tape, 14pcs of Layflat connectors, 15m of layflat hose, 5pcs of drip joiners, 4pcs of airvalves, 1pc of Tee, and 1pc of elbow. Greenhouse farming is another way of a controlled farming, you spend less in the maintenance but get more harvest, plus the quality of the harvested produce is far better than the open field produce. Note that you'll bear the cost of transportation to and fro of the materials and the installation crew.