Brother. I work in a company with 10k workers. The company loses thousands of dollars per second of downtime, if it’s something that affects the availability of the main page or the checkout process.

If that happens during the peak season, it could be hundreds of thousands per second.

With those kinds of stakes, you don’t just jerry rig your hosting, and very frequently, you don’t take your chances with in-housing.

You put it in one of the big 3, because they don’t fail, and if they do fail you, you sue their ass.