I think at that point, I'll be able to retire comfortably and live my life out with my wife and kids traveling, buying my dream cars, and not having a financial care in the world. :)But that's about 10 years out according to my calculations. :)

At best, the room mate might have to cough up a portion of the rent for the time this guy occupied the other's room, but that would be up to them to handle it.Good luck,  I rent to college kids too and it is always entertaining!

If it has more than one bedroom, a tub will be better- families with small kids like tubs.If it is just one bedroom, either, but build in one of those nifty shelf deals down low so a gal has a place for her foot while she shaves.  

Every night the kids invite their friends over to talk on the terrace and smoke weed.

Home owners and tenants will consider and begin moving to other parts of the city and to the suburbs to either lower their cost of living (no kids) or seek better services (kids). 

I plan on owning my properties until I die and passing them along to my kids.

All I know that through getting my BA in Accounting teachers did not teach me those tricks and a specially how to construct HSA (health savings account) which you can then invest into real estate, this insurance can be passed to your kids.

I also lived in southwest Kansas for 16 years as a kid.

I had a lot of co-workers who did it for elementary school and said it's all movies and playing games with kids.  

This is just one of the main reasons you hear experienced investors tell the new kids not to quit your job day one.