Not DD to buy your place - but rather to open one of my own.
Competitive Intelligence research is more like it. The most important things in any business is defining what is "perfection" and making that your goal in every product you turn out, but you also must have a passion for it .
Just looking at the photos of Craig's pizzas it is evident he has done plenty of excellent research in own garage.
Would not be surprised if we later hear that he delivered 3 or 4 pizzas, a detailed business plan and completed loan application to the bank at 11:30 - then get approved for a business loan before the close of the day.