The advantages of a post is it is live. There is nothing to hinder your creativity. You just write add media and on to the next post. It is a stream of unconsciousness sometimes regrettably subconsciousness but mostly consciousness.
Yes some people have it set up to publish into the future,that’s ok takes the pressure off. Others have contributors.
If you keep a blog make it regular, consuming, exciting, informative, unique and not like the rest. don’t be afraid to be different be yourself. Same but different. Be regular pleeese.
The advantages of a page is it is there. Constant, available, telling,static. No changes necessary unless you need to update it.