Planning cities and the way that we comfortably live in them is often a pull between many things. From creating affordable housing for all, enhancing community facilities and amenities, and designing walkable neighborhoods, all aspects of urban design have trade-offs, or do they? While there are many reasons why cities are becoming increasingly more expensive, dense, and less pedestrian-friendly, one of the key drivers behind the increase in unaffordability has to do with the way that outdated zoning codes drive the lack of available housing that they regulate.