> The reason I believe it's the highest ROI activity is because I keep on suggesting it to people and most people think it's a great idea and then they don't do

> The reason I believe it's the highest ROI activity is because I keep on suggesting it to people and most people think it's a great idea and then they don't do it. There is nothing in this sentence to suggest anything about the ROI of this activity, except your 1-person opinion. Maybe it's a high ROI activity, maybe it isn't, but we'll never know if people never do it. Maybe people are able to get jobs without it, or do it and just never tell you?