Yeah you can start with a little team and then expand to bigger one. Double the tech support people every time your customer base gets doubled and increment sales people as needed. The reason why I am saying doubling the tech support people is because the technical support is one of the top reasons a hosting company is selected by the customer. No matter what kind of services you provide, if your tech support is weak then people will switch to another immediately.

I can't tell you much here as these strategies are part of my own business model. But if you could give me a call then we can discuss it further.