So this is a very user-friendly method too. The content includes eye-catching graphics which are placed purposefully to magnetize the attention of viewers whereas good content is written to complement the graphics to make website interactive. Maintenance of a website template is so easy. Normal changes in the website can be done without any problem and without even changing layout of your website.
"Plans are useless; planning is indispensable," according to Dwight D. Eisenhower, then Commander of the Allied Forces in Europe during WWII. Now, you may be in total agreement with the first part of that statement, but you are really not convinced of the truth of the second part.
But your idea may be so new that you may also need to talk to potential customers, host some focus groups, talk to an ad agency, or maybe even make a prototype and float it past some people. Be prepared to spend the time. Remember, it's not about the Plan but the Planning.
U.S. Census Bureau (census.gov): A source for a variety of useful statistics, especially the Economic Census that comes out every 5 years.