Progress by adding complexity one layer at a time rather than sorting cases only by industry or label.

A useful progression is to first learn the mechanics of structuring and basic math, then handle full cases with familiar objectives, and finally add ambiguity, unfamiliar industries, mixed objectives, and heavier synthesis.

For example, you could start with a straightforward profitability case, then move to market entry, then to cases where the objective is less obvious or the interviewer changes direction based on new information.

Build a practice ladder and only move up when you can perform the current level consistently. Keep some easier cases in rotation so harder cases do not hide basic mistakes. Framework guidance: Keep a short note of what improved and what still broke so the next practice session has a clear purpose.