We had the problem, so we gave one of our own businesses the whole method — no shortcuts, no borrowed template, every asset built from nothing. All of it is live at onwardslabs.io/book, and you are welcome to pull any of it apart.
Between January and September, seven of our own products ran through the account — 46 campaigns, 24,221 clicks, 108 buyers, every dollar ours. Six did not work. One did. The comparison that holds is the first two rows: both are books, sold out of the same account on the same pixel.
Most of these are the unglamorous ones. Nobody sells a course on making sure a campaign parameter survives into a payment record — which is precisely why almost nobody has one.
You cannot buy this by spending money on advertising — that is what we tried first. What it actually cost was years, two people who do this for a living, and three complete rebuilds, each wrong in a way only running it could reveal. The media is the only line anybody could simply buy.
Every claim here was cheap for us to check, and is cheap for you to doubt. The next machine gets built on your business.