Electric Car Research & Purchase — secondhand market, working sketch
Bottom-left is the "good" corner. The dashed line is the Pareto frontier — nothing beats those points on both price and mileage. Why it collapses to just two cars, and why that's a problem rather than a result: 04-secondhand-market-survey.md.
30 points · Tesla by trim tier + 12 other sourced examples · dashed line = Pareto frontier
All 30 plotted points — frontier points flagged