Also would love answer to the following: - Are there any specific challenges or advantages you experienced compared to a JV structure?

That's it, but a) print out a page for each property you think is comparable, b) make the list of repairs long and inclusive of everything you've done. c) Put larger items first like kitchen remodel......and don't just say 'kitchen remodel', list things like 'custom backsplash tile/Bosch appliances/recessed can lighting/pot filler/etc. d) Cite the price/value of the work done, and don't be afraid to be generous.

Sadly it is always overvalued for the locals as well.For context: the same comparable duplex a client purchased for $750k last february 2023 in Lil Havana is now asking $925k.

You could be in an expensive market, like LA, but you inherited a property or you got a killer wholesale deal or subject to and the numbers could be very attractive compared to buying off the MLS for full market price in the same market.

Risky too compared to just holding stocks or bonds.I'm not even worth that much money so I have to ask the more experienced and successful investors on this forum: what keeps you going?

With good credit and a relatively low LTV, they may price comparably. 

No, they are not 100% passive, but NOTHING you do in a REIT, stocks, Bitcoin, or MLM can come close to comparing. 

those are large deposits  your doing very good for your owners with those compared to what i see in other markets  Wow. !!

Find comparable rentals on various websites.

Many landlords think of it as the HIGHEST end of rent prices for comparable rentals.