You shouldn't invest in any Cloud mining. There are many risks such as slow ROI, unstable bitcoin price, increasing bitcoin mining difficulty and block reward halving. Furthermore, there's risk the cloud mining is a scam, change their Terms of Condition or hacked.
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Don't invest at all, even when you think a little about bitcoin cloud mining service and how much power, money,etc.. you need for a bitcoin mining farm, you'd see that it's absolutely not profitable. It used to be tho.
Here's a test for you OP, find a few cloud mining services, in service section here, and monitor them for a month or two. I can guarantee you that a majority will become unavailable within the first month or two. That time's passed, maybe only some alt-coin cloud mining services, but bitcoin ones no.