What is a Mining Farm?
Bitcoin mining farm is a place where large number of computers and servers were solving the complex cryptographic problems which confirms the bitcoin transactions.
I want to buy a farm that advise me
Type of bitcoin mining:
Hardware, CPU Mining, GPU Mining, FPGA Mining, Mining services (Cloud mining). Mining services (Cloud mining) and GPU Mining is best. At first you have a lot have fund. You need many eletrycity power. Select a place for frames where there will be no problem on electricity. Then you can start on moning business. I hope you will good profit on mining.
More detail you can read this article:
https://www.bitcoinmining.com/getting-started/