1. At the beginning of 2017, the price of a 14.5t S9
mining machine was as high as 20000 yuan. Take the current market situation, the cost of investment and mining is very low. Moreover, according to the current issue price of HRT, the cost of the same
computing power is only about one tenth, which is about more than 2000 yuan.
2. Now the price of ant S9 has gone up to the sky. It's eighteen thousand. It's not recommended to buy in stock. The cycle back to this market is too long. You can consider other options
3. I can't find one in a day. Now bitcoin is not what it used to be. If you think the answer has solved your problem, please adopt it. If you have any questions, please continue to ask. I hope my answer can help you. One machine a day is about 0.03, 40 machines a month is 0.03 * 40 * 30 = 36, of course, 40 mining machines also need 400000, which is not included in the electricity bill. According to the current difficulty calculation, about 0.01584 bitcoins can be g in a day. Of course, the final result of each mine is different, but it will be very close to one day. Now bitcoin is not what it used to be. Moreover, bitcoin is now banned by more and more countries. Bitcoin can't be traded in the mainland today. Now the price of ant S9 has gone up to the sky. It's eighteen thousand. It's not recommended to buy in stock. It's too long to go back to this cycle. You can consider other options
1. If all the wires have been connected, we can turn on a connected PC at this time and turn on the network neighborhood property
2. Open the local connection attribute; 3 and then open the TCP / IP protocol properties
4. According to the current total computing power and the current growth rate of total computing power, it will take about 250 days to dig a bitcoin
5. On today's miners there are many high-quality second-hand mining machine, and there is a warranty problem, there are professional after-sales manufacturers
6. At present, the market price of second-hand mining machine is quite different. We need to evaluate the service life and the aging condition of the parts in order to get the result.
7. 
8. Second hand procts have no use protection, specific quotation and evaluation. In order to guarantee the rights and interests, it is suggested to buy the brand-new licensed procts of domestic listed Samsung,
9. We have no specific quotation and evaluation for second-hand procts, and the use of second-hand procts is not guaranteed. In order to guarantee the rights and interests, we suggest to buy the brand-new procts of domestic listed Samsung procts. If necessary, we suggest to buy them in regular mobile phone stores, such as Samsung designated stores, Samsung mall, tmall Samsung official flagship store, tmall Samsung mobile phone store Shopping malls, etc.
10. The use and source of second-hand procts are not guaranteed. In order to ensure the rights and interests, it is suggested to buy the brand-new procts of Samsung listed in China. If you need to buy Samsung procts, it is suggested to buy and consult in the regular stores. If you need to buy through the Internet, it is suggested to buy in the official mall, tmall's official flagship store, large shopping mall, and Jingdong self operated stores
tip: please be careful when you receive information like winning a lottery or buying a machine at a very low price to prevent being cheated.
