I said "relatively cheap" and I meant for a low tech tank. It seems like low tech is out of the question nowadays but if you look at a brand new complete low tech kit, it is inexpensive compared to a high tech system. Even cheaper if used. I had tanks that cost me under 50$ including plants trimmings I got from friends, rock and driftwood I collected, etc. One does not need all the gadgetry to have fun in the hobby. But it seems like newcomers now choose to go for the high tech setup because it's more attractive and, when reading all the info on the net, it seems like the only way to succeed. Don't get me wrong, I have nothing against high tech, I have it myself. My point is that rushing directly into such setups can have a big financial impact which can be a cause for quitting, when one can start slow, with (relatively ) minimal investment and grow from there.