I would add to what Cem wrote that sleeping at night is a part of good meditation session. Hence if you are a yogi consider that because if you host your own site, there will be sleepless nights when something crashes and you have to troubleshoot through the night.

Ask yourself this question:

Why dont I be my own phone provider?

It is possible to do it! Yeah! But why not? May be the answer to that is the same solution to hosting your own site. 

Andrew mentioned something about knowing what you are doing. No Shit!