Each are very very different and unique.

Can anyone share their positive/negative experiences with working with property managers in these potentially more challenging areas?

Anything unique?

Definitely be prepared to be challenged on that if $600 for your type and size of unit typically gets better rents.

But with such low price it might be challenging to find the lender.

Again, buyers would have to be willing to participate in the 1031 exchange whether traditional or reverse. 1031 exchanges involving multiple relinquished or replacement properties are always more challenging from what I've been told by the QI and the 1031 specialist attorney I have used.And if a traditional exchange, then QI does not take title so lender participation is easier.

Find your unique strength from your previous experiences or your aptitude and then go for it.

Retrofitting is challenging because it's hard to address both types of sound.Sound is sneaky.

Welcome JoesphI am also an engineer, (retired) in Baltimore MD.I invest in rental property and tax liens.The legal aspects of rentals in MD make it a challenging state.Wayne

Could make for a unique perspective.