There's a lot of nuance to how you structure your service menu that can have a significant impact on how your customers spend their money. The size of prices, how they're ordered or arranged, what price you put first on the menu, etc. all make a difference. Given all these small details, it can seem daunting and make some business owners unsure of where to start or who's advice to take.
Fortunately, Graham and Ashkahn have been at this for a long time and really dig marketing psychology, so they have lots of advice, tips and even some of the psychology behind why we do the things we do.