I think paying for advice works for a lot of people and is really a quick way to learn a lot from an expert in a short amount of time. How I like to learn though is by working on real world problems and doing my own personal research. For your specific questions.
Paying for business advice - I would vote yes.
Paying for a mentor - I would vote no. There are a lot mentors you can find that will help for free. At least that has been my experience.
Paying for hosting. I have never seen free hosting so this would be a yes.
Building a team - Most likely would have to pay as it is hard to get multiple people on the same page without compensation being involved. Although I have seen free support groups work out pretty well in the past.
My overall vote is that for the best advice taught in a way that is effective and resonates will most likely have to be paid for.
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