They are most likely within their rights to withhold certain information. 

I believe his parents helped with the purchase but he has since refied and paid them back.

. - I currently live with my parents to help out so my expenses/rent are very low.

From my perspective that would only be your grandparents because your parents would not do it.

My parents are realtors in Sherman/Denison and I'm from the Lewisville area. 

I am very grateful and thankful to a parent who recently passed away and left us with an owned condo (no mortgage) . 

Obviously water damage has more cost to fix than the plumber, but if we are withholding deposit funds for it we need to figure out quick what we can keep to cover this.

The last ADU property I sold, we had a lot of buyers come through looking to house their parents, uncles, etc.

Work with a good property management company who will get co-signers from parents (parents are typically paying rents) and be flexible around subleasing, especially during summer periods because students go home and do not always stay for summer time; this can still be a 12 month lease.

My parents have a cabin in the finger lakes not that far from Buffalo, and I’ve actually been reading good things about Buffalo.