I am not looking to earn a lot on this flip as it's quite cheap but if I can do it successfully, then I would've gained experience and a bit of cash too.have you looked at rural Japan.. same numbers much more stable environment for flipping..  

Maybe your parents will opt to keep the family peace and pay her rent, and help her move someplace else. 

:-)  No harm though if you want to run 6g wire for that extra peace of mind.

Having said that, I would place more of the blame on the real estate market self-reinforcing the current environment where property values increased and banks were willing to lend on higher values which led people suddenly being able to access more money which in turn led to more money being spent on buying real estate.

Get him notified of how to get his stuff peacefully.

Well if you sell the only way it makes sense is with a 1031 or you'd drop all your hard earned gain for a better return and that's a break even game - no fun for anyone.Cash out refi - watch out in an environment of rising rates. 

@Raj G. definitely not impossible to find cash flowing properties even in this high-priced environment.

This doesn't sound ideal for me in a rising interest rate environment.3) please provide any advice you have when comes to using owner financing, things to watch out for.Many thanks

The peace of mind of having no mortage payment?

It's pretty expensive but worth the peace of mind.