There’s Michael Dearing (Harrison Metal) who did some great videos on the “good, better, best” and the assortments strategy.
List below:
- https://www.harrisonmetal.com/library/pricing-2-thank-you-robert-dolan
- https://www.harrisonmetal.com/library/pricing-3-assortments-are-for-winners
I would also watch this (illuminating) video from his HeavyBit lecture a while ago:
- https://www.heavybit.com/library/video/harrison-metals-michael-dearing-on-pricing/