When looking for a fantastic overview of a product an info product online make certain to watch a couple of youtube videos to get a better understanding of the product.
Yes, some of the online review videos are going to be fake, but those are usually easy to spot. Watch some and find one that knows all about the product and reveals the reviewer.
Here is a good example of a great one: https://www.youtube.com/watch?v=6iJiORVTLdo&feature=youtu.be
So feel comfortable trusting online reviews, just be sure that you watch ones that are clearly from men and women that are reputable.