It is not a matter of size. It is a matter of availability.
If I only have my data on a disk, I can turn it off anytime. If I am hosting someone else's data and I want to get paid for it, I need to keep the computer running 24/7/365. That costs quite a bit.
If I only have my data on a disk, I can turn it off anytime. If I am hosting someone else's data and I want to get paid for it, I need to keep the computer running 24/7/365. That costs quite a bit.