Can you be successful with a blog without a clear plan? Sure, but it isn’t probable. For instance, TechCrunch is a blog that began by reviewing new Internet products and companies and has since grown into a network of technology sites about content and new media; however, hundreds of abandoned blogs never get past a few readers. Even a lucky accident doesn’t stay successful without a long-term plan, especially now that the field is far more crowded.Agree ?
You can always get lucky but I wouldn't count on that. The answer is simple. If you create a website/blog with the intention of making money, then it is a business. can you be successful in any business without a game plan? Probably not.
I think it is so much better to start with a plan and goals. Don't wait to try and wait til u get lucky..
Have at least the skeleton of a plan from promotion to monetizing. Install freemind mind mapping software and just 'dump' your thoughts on it and then rearrange them to your way of working and follow each step. This also reduces the level of overwhelm commonly associated with IM
I don't thinks so one can be successful with a blog without planning. Blogging demands time and your interest and planning and management of blog is too important to become a successful blogger.