

Start with a simple, basic service. Think of something like a web server or ntp. Understand how these services affect your environment with respect to security, performance, availability, maintenance, backups, other services, firewalls, routing, DNS, monitoring and notification, documentation, change control, etc. Those are the hard parts of hosting and if you find ways to be effective with a simple service the others will be less daunting.
A bit of topic; am I the only one that pronounces it “butterface”?