Mining is worth it if you mine altcoins. Mining bitcoin also worth it but the problem is it will take an extended period before you collect one bitcoin.  Doing mining is very complicated because it requires lots of preparation such as hardware. Mining rig hardware is too expensive. The area where you put the mining rig. Ming rig requires a cold place because it produce hit.  The electricity is the one will your major problem if you build it, you need a solar panel to reduce the electricity bills.