Sorry, I think my comment came across the wrong way. I wasn't criticizing your approach, but rather advocating that it's an effective and well-tested method to

Sorry, I think my comment came across the wrong way. I wasn't criticizing your approach, but rather advocating that it's an effective and well-tested method to earn, potentially, good money. As long as the product is solid, like it is in your case, I really don't see an issue with what you are doing.