Sorry, but I'm going along with a few other commenters and calling out the validity of the sample. Square isn't so ubiquitous as to be able to make any meaningful inferences about all tipping behavior. You especially can't make a claim about where these tippers live based on the data — Nevada, for example, probably…

Wow! I was forced to briefly live in Michigan after my family moved from Belfast...But have been a San Diego resident for about 18 years. There isn't a prize on Earth that would convince me to move back to the embodiment of "blah" that was central Michigan.

You left out the best (and by that I mean worst) magical autism cure: castration.

That reminds me of this massively rundown, nearly abandoned-looking building sitting in one of the best locations in San Diego. Which happens to also be known for being the main LGBT scene in the area. The building occupies about half a block and is surrounded by some of the city's most trendy places.... But the…

Eh.. East of the 15 is quite a large area, and I wouldn't say Poway, Rancho Bernardo, Del Cerro, San Carlos, or Kensington as having anything close to a crime problem. In fact, those are some of the most expensive parts of San Diego proper.