As this post makes clear, it's not the things you can control in a dedicated/colo environment you should be worried about. You can always hand them more dollars

As this post makes clear, it's not the things you can control in a dedicated/colo environment you should be worried about. You can always hand them more dollars for more storage and compute. You can never hand them enough dollars to get their SLAs/latency on par with the cloud. There will be outages. There will be delays. There will be scale problems. There And you'll have to address these somewhere else, either in your tech stack, your operating model, or your PR department. Paying a 2-5% TCO premium to have a throat to choke, 5 9s redundancy, GDPR compliance, and the law of large numbers on your side of the court is a pretty fair trade.