The guarantee only relates to the initial purchaser who bought the machine straight from BITMAIN. As soon as the miner is resold, warranty protection results in being the obligation of the re-vendor. The profitability chart displays the income from mining one of the most financially rewarding coin on Antminer https://used-antminer-bitmain87530.wssblogs.com/33061377/antminer-bitmain-ks3-mining-performance-and-efficiency-guide