How to design a killer sales page

I've been a UX designer for about 4 years now and 2 years as a conversion optimization specialist. And what I noticed is that a lot of designers still focus on aesthetics when designing a web page without really considering how that would sell the product the business is offering.

Here's a video that I created on how to design a killer sales page. And it's actually quite simple because you just have to answer 3 questions.
https://www.youtube.com/watch?v=FgDZoxyWBbQ&t=38s

I hope you find this helpful and apply to your web projects.

#fyi