Yes. Google charges you money only because they make it easier for you to host your email and have calendar, chat etc. And on any given day hosting these thing

Yes. Google charges you money only because they make it easier for you to host your email and have calendar, chat etc. And on any given day hosting these things on your own is the best option out there but you might have to get your hands dirty or get it from a service provider who doesn't deny the existence of need for human interaction in customer service.