The below is said in jest, and is probably not something anyone should or would actually do. Also, it would only truly work if someone lived VERY close to the office.
Go to office @ 7:00 am. Leave office at 7:05…..
Go home.
Come back at 2:55, badge in.
Leave at 3:00
First badge in 7:00 am
Last badge out 3:00 pm
Calculated time in office: 8 hours
Actual time in office: 10 minutes