And a second restaurant is still a second restaurant. There's still a very high (>50% for sure) chance it fails. The second location isn't quite as good. The ma

And a second restaurant is still a second restaurant. There's still a very high (>50% for sure) chance it fails. The second location isn't quite as good. The manager you hire starts to slack off a bit. Food critic gets sick during opening week. A close family member dies and you ignore the restaurant(s) for just a little too long. The list of things that could happen that boil down to "bad luck" is endless.