What cold storage? Can you share more info on this? Because not all cold storage are real cold storage, I just care about your safety that's all, the safest option to lock your bitcoin away for a long time is a hardware wallet, do not let anyone tell you it's not.

If anyone is running a cloud mining right now it's a scam or Ponzi scheme, gone are the days where cloud mining was profitable, some legit companies have run cloud mining years ago and the legally closed down because it's no more profitable.