If it's a hobby site go ahead. If you rely on your site in any way shape or form you better leave it up to the pros.

Nothing is ever truly free, try to get support from a free website. I have tried with Yahoo and its almost impossible. Lunar has a fully staffed support team and someone has to pay them. Without wages that team would not be there, kind of like with free hosting.

I always say good luck with that, I would rather pay for hosting because only then do I have the right to demand service.

My two bits