Lets continue with the pingdom example. I work for a small startup and the reason why we would pay for a webapp to do these things is because it is not a part o

Lets continue with the pingdom example. I work for a small startup and the reason why we would pay for a webapp to do these things is because it is not a part of our product or one of our core competencies. So settings up and managing these things is a waste of developer/sys-admin time, and in the long run, it turns out to be cheaper to just outsource it. Its the same reason we pay for github rather then set up our own git server, and the list goes on.