I'm looking at buying a Model 3 and I asked the guy how he's been charging it and he said he lives in a condo, so he's only been able to use the Superchargers. It has roughly 7700 miles on it. Should I be concerned about the battery life being degraded any because of this? He said he's mainly just driven it locally and he's never charged it past 80%. I asked if he's noticed any range loss, and he said no, but I'm sure he wouldn't be too truthful if he's wanting to sell it for a good price. With such low miles, I think it would be okay, but I was curious as to other's opinions.