Upper if you go with semi-hydroponics the setup is rather simple. I've been doing some research on S/H and find it interesting. The setup that I want to try includes LECA (expandable clay balls) and a pot that holds a bit of water in the bottom. Depending on what I decide to try (CP or non-CPs) I may or may not need to use fertilizers. None of the fancy equipment is needed for this setup. I guess it's like anything, one can make it as simple or as complicated as one wants it to be .