Evaluate risky commission-only medical device sales startup

A 26-year-old has been offered a commission-only medical device sales representative role for a startup. This is a high-risk, high-reward opportunity. If the startup succeeds, it could lead to significant earnings and rapid career advancement in a specialized field. The individual should thoroughly vet the startup's business plan, product viability, and the founder's experience. Key skills for this role include strong sales aptitude, resilience, communication, and self-motivation.