Someone asked a question re: maintenance fees on the cloudmining.website forum:
http://forum.cloudmining.website/viewtopic.php?f=3&t=6&sid=4a033337711cadefb1c39a7d860743bainteresting reply:
"First of all, congratulations for making the first post of the forum. It has not yet been 24 hour that we have launched this.
There is no fixed maintenance fee here. If you check the latest payout of everyday, you'll see that it is varying. This is because, the variance in mining luck, we are mining different amount everyday against the same hash power. Same is also mentioned under Note in
www.cloudmining.website/calculator.php . Now, the electricity consumption found from our meter everyday is deducted after converting it to bitcoin cost. Both consumption and bitcoin value are variable here. You also need to consider that time to time we rent hash power from external sources to meet increasing demand, where the renting rate is a variable. Hence, it is difficult to provide you a straight out formula to calculate your fees. It is an average that you get."