Maybe call those owners and see if they've had any issues?   

@Heather Luu first, make it more efficient by only worrying about deadbolts.There is actually very LITTLE additional protection a lock handset offers in addition to a deadbolt.On the properties we manage, we remove all keyed doorknobs and just use passage locks. 

Previous owner bought it for $71k in 2022 (OOS LLC), asking $89k, ARV $135-150k.

I have a little but Indiana is the market I'm currently researching .

[2]   Do you know if the buyer is going to owner occupy or is it an intended rental?

I was definitely on the fence about this one for a little while before making the purchase, but there were a number of attractive features that ultimately led me to move forward with the purchase.

I would go with a real estate cpa, but I’m a little biased.

He wanted it all sold as a single package with no owner financing.  

Might be a little bit down the road for me, but that is for sure dream that will come true...One Chicago's best features is the lake, which I'd like more access to.

The sale evidently resulted in Quest’s owners getting zippo (hearsay, working to confirm that).