The act of choosing expensive shoes suggests you are redefining your standards and boundaries. You may be moving away from "walking barefoot"—feeling vulnerable or undervalued—and into a version of yourself that is better protected and more confident.
Some interpretations suggest that buying the most expensive shoes in a store represents taking on a significant new task or responsibility, such as a high-stakes job or a major leadership role. Specific Symbolism to Watch For
Specifically, high heels can symbolize high status but may also indicate a lack of stability or "settlement" in your current relationships.