Volunteer at Habitat for Humanity to learn basic construction/improvement skills. 

It's also exactly how I got into this business, volunteering to fix my girlfriend's beat-up apartment.There are a long list of pros and cons to being a DIY investor, and a long list of different ways that various folks have chosen to involve themselves in this work, with or without their families.

If you have interest, you could volunteer to help a flipper, property manager, or wholesaler.

By the time you graduate, you'll have a steady source of income, with tax benefits should you choose to take 6 months off and enjoy life before jumping into the 9-5 realm for the rest of your life.Plus, as a student you have something most working professionals do not, TIME, use it to your advantage and learn as much as possible, via volunteering to help out an investor with a website or something else that adds value.

They did and volunteered to leave the following week which they did with no damage to the property. 

This does sound like one of the scams found in other posts where someone volunteers to move-in and send a check.

Both volunteered they were considering moving for various reasons so that made it easier to then explain rent would be going to FMR.

Maybe your father just needs some down time for a while, or maybe he's busy doing things that he's always wanted to do, like a hobby or volunteer work.

If you want to flip a house then volunteer with a flipper and make runs to home depot/lowes, etc for him/her (that is a major time sucker) or even volunteer to do work.

Depending on your state, this process to get them out (if they don't volunteer) could take anywhere from a few weeks to months and months.