It is funny that people are quick to complain when there is a string of bad luck but I have never heard anything when we get good luck. I can understand your confusion if you don't completely understand what the variable are in Bitcoin mining but I think it should be easy enough to understand what an estimate is.
Mining variance means on average you should get a similar amount of payments that are above the expected value to those that are below that value. Why isn't that the case with this "service"? When have payouts been greater than expected? Also, name a bitcoin miner that will still be mining profitably a year from now, never mind 5 years.
Don't like the service than don't use it. Take into account comparable services, nothing compares, when it comes to cloudmining.
If you calculate payout on another independent website for your hash rate you will see that the expected payouts are almost the exact same as what cloudminr has posted on the dashboard. Maybe it is just the fact that I have been a home miner for years but I personally never expected that full amount because I could anticipate the cost of electricity and other unexpected expenses.
I'm not sure why you you care how long the contract is and how profitable it will be years from now if your just going to be a naysayer. The truth is no one knows what will happen with the mining environment two weeks from now, never mind 5 years down the road. But just an example .... If a few years from now the difficulty is 10 X what it is now that dosent means that the contracts are worthless... What if the contract has already made broke even and everything there on out is profit. Even if it might just be a few satoshies. If the difficulty is up 1000%,(10 times greater) than when you invested and the BTC price rises by 15 times, it will mean you don't break even in Bitcoin but you will be "more" profitable in fiat than the day you made your investment. It is all a mater of perspective and investment strategy.
Personally I think cloudminr is great. Mind you had the difficulty been moving the way it was last year as apposed to stabilizing as it has been I might not be so happy with my investment. The fact is I made almost 60% ROI since investing on November 30th. That means I broke even and got 60% of my initial investment back as profit. That is in 4 months, I broke even after 76 days. I have 4 years 8 months left of mining on my contract, think i care if my rate of return starts diminishing? Find me another investing opportunity like that anywhere, never mind in the Bitcoin ecosystem and I will eat my hat.
Truth is hatters going to hate, trolls will troll but cloudminr is tried tested and true IMHO. Would I put all my eggs in one basket or bet the farm on it? Absolutely not, and I don't recommend anyone do that.
If anyone is considering investing some after reading my post I would appreciate if you used my referral in my sig below.
If you want proof of my claims about what I have profited then look back in discussion on this post. I posted screen shots mid February . (EDIT) February not March, and here are the links....
http://m.imgur.com/E2K9TOQhttp://m.imgur.com/Xz3tYXz?-Mulletwang