By now, most marketing researchers have come to terms with the fact that many businesses are going to try to complete marketing research by themselves (in-house), a practice that has become known as DIY. Here at Polaris, we believe DIY research is a good thing, on the whole, but that there are times when it is not appropriate. Vance Marriner of Research & Marketing Strategies, does a great job of summarizing the five important questions you should consider before embarking on DIY research: