Using Google Tag Manager—or any tag manager—is so important that it’s hardly optional to use one nowadays. If you want to have all the data about your ecom store that you need to make the right decisions at the right time and increase profits, then you need all the data that Google Tag Manager allows you to track. The other benefits offered made using a tag manager a no-brainer. Just as an example, being able to add and remove pixels without needing to alter code yourself or hire a developer is a huge payoff for learning how to use GTM. In many of our other articles, you can see how we track specific behaviors to get insights and then improve ecom stores. GTM is the tool we use to get that tracking in place.