Its realitivly easy to set up, tbh the hardest part is getting the graphics cards without paying silly money as there alwayd out of stock, any amd gpu will dovalue for money wise the 7*** series are best but getting hold of them is getting hard, you have to counter powerdraw and cost of elec into the proffit aswell as these rigs pull the same wattage as a small space heater, the mining process is very st8 forward you join a pool which is a group of miners that mine in syndicate and you are paid in relation to your contributed hashing power, also the coin are very easy to sell the damand is very very high at the moment. The setup of the machine is quite easy might suffer some niggles at first most people use a gui miner which is easy on the eyes but the more proffit orinated miners use light linux distros to save on proccesing power and background task drawing from your profits, one thing I will tell you about crypto coins is once you install a wallet or start mining coins you become a target to the cyber relms every other fucker is trying to steal yout wallet or