Discus fish is not too difficult to take care as people said, if you have SWF or RT you can have discus tank.
Acid soft water PH 6.5 to 7.0. temp 80 to 83 slow moving water, feed them by bloodworm or beefhearth, change 25 0/0 water every 2 weeks, good if you have liveplant in the tank, Amazone...