(This is number 6 in my list of top 10 startup mistakes.) A business idea is not necessarily a real opportunity. You need to filter those business ideas, sifting through them, looking for the opportunities. What’s the difference? An idea is just that. It has no value unless you make a business out of it. An opportunity is an idea that can be implemented, for which resources are available, that will prosper. Opportunities are far rarer, and way more valuable than ideas. Business planning is a great way to filter the ideas and find the opportunities. Take the idea and lay out the basics,…

