1. a parking spot (during the semester) on campus

A parking lot on campus is a common resource and individuals can be excluded from its usage if parking charges are levied.

2. a seat at Beaver Stadium for a football game

It is a case of a private good. These seats are reserved during the games and gives the exclusive right to the person who purchases the pass for it.

3. the service Netflix

It is a club good. People can be excluded from watching it if they are not paying the subscription but it is non-rivalrous in nature in the sense that any number of subscribers can watch it.