There’s never a wrong time to start the right thing !!!.And after all,blogging is thrilling besides being a small money machine…:)

This is his style, and it is suitable for his topic (personal development).

Here on Technotip.org, we tend to have a mix. Mostly short posts with info and quick tips, and a longer and more structured post once in a while. It is working fine.

Gadget blogs tend to have only short posts, and they are immensely popular.

As you can see it is a matter of finding your style and what works on your niche. Aim for quality and not quantity though. A longer post is worthless if it has no ideas or interesting concepts inside it.

And finally what I can say is, first start the blog(with minimum knowledge, by reading about it in some other blogs) and you will automatically know your skills, when you start writing.
Actually, the articles go longer and longer in the beginning, we need to edit it a lot to shorten. It requires more skill to write short yet useful and informative articles, than the longer ones.