Yes, you need to stake some Hive in order to have more. Acts like a charger. And Hive is pretty cheap, so if you stake 10 or more, you will have pretty much for some comments/posts.
And if you go hard core on this platform. You can always stake more. Or ask for people to help you temporarily and I am sure people will help.
Welcome.
Thanks for that explanation with analogy. I get it now. More like open AI credits or any subscription with credits.