If you are interested in BitCoin Mining but do not know how you can join and calculating here is a very likely article about it.
In my opinion you can also start trying mining with a R4 Computer. Without Rig. Just watch over 1 year what happens you will be estonished.
Otherwise if you want to start big take this article it works.
Most of all it’s the power costs with a normal electricity lane in Germany you are at 8000 Dollar a year but you are able to find 1 or 2 blocks this year. This will return the invest and brings 2100 Dollar and more.
So just try out if you want support decentralization and the network.
Mir set up a larger rig
Here is how to do: