Fig.8: Early explorations, determining general page layout.
Fig. 9: Variations on the plan CTA.
Fig. 10: A/B testing to determine 2 variations we were caught between.
Fig. 11: During testing, we learned that some patterns established in our design system were ineffective, so revisions needed to be made. As the design systems lead, I contributed all new components and patterns within tier selection, each of which underwent its own iterative process. 
Fig. 12: Final mobile flow.
Fig. 13: Final desktop flow.