Just wow! How difficult can it be to have a backup dedi server with the DB mirrored running at some other provider to quickly switch to, just in case? Even many

Just wow! How difficult can it be to have a backup dedi server with the DB mirrored running at some other provider to quickly switch to, just in case? Even many simple web sites have a config like that. Clouds have been around for decades, they are still new and may fail.