It is important to note, however, that StudioPress is now a subsidiary of WPEngine which is the company that actually does the web hosting on which StudioPress’s Genesis framework runs. The affiliate program only works with choosing the StudioPress framework and themes, not the actual hosting on WPEngine. WPEngine has a separate affiliate program for its hosting services, which yes, is a bit confusing.
In the case of cost per mille/click, the publisher is not concerned about whether a visitor is a member of the audience that the advertiser tries to attract and is able to convert, because at this point the publisher has already earned his commission. This leaves the greater, and, in case of cost per mille, the full risk and loss (if the visitor cannot be converted) to the advertiser.
Assuming you are doing pretty well and are happy with your current standard of living, what would you need to maintain your standard of living in retirement? Knowing you are on track to accumulate a nest egg to support that lifestyle is a big win. Gold medals go to those who have accumulated enough assets, or passive income streams, to be in a position to retire well.