Posting 4 or 5 times a day is still very good, I don't know how people manage it every day, it must come naturally to then. Sometimes it takes me 2 or 3 days to write a good travel post, but quicker if it's something light like HPUD or daily life, but those can get pretty boring (not saying that my travel posts are always interesting!)

I always say the most important thing is that you must enjoy writing, and don't post for the sake of posting