I've been joking, but I'm serious, you only waste money and time investing in cloud mining because they can always change the rules, for example in the case of hashflare, there will be few people who have invested in the site that are capable to withdraw their winnings, this is because the minimum withdrawal value is very high and I do not understand why they still keep this minimum withdrawal value. about this site: https://nuvoo.io/ it is still very new so even though you make a profit it becomes very risky to invest in something very new