I absolutely agree that it's satisfying and you can get even better results customizing yourself. Thing is, the time it takes factored in with the additional cost of the PF versions, it makes more sense to just pay for the PF in my case because I don't have the time these days. Most the valks so far, I don't really care enough to pay extra for PF. With the 0S, I wanted another anyways so if that's all they have to offer, so be it.
Plus this: