Just be mindful of the demands and challenges it entails.Best of luck with your venture!

I get it.. for homeowners this is a no brainier for apartment dwellers this is still going to be a challenge going forward. 

In the June 2024 update, I said “All indications are that it will get worse before it will get better”, and this has proven to be true.

True similar to the real estate market. 

For the first part of your question even if you were working with a realtor, I don't personally know many that have a true pulse on rehab costs and I wouldn't make any investment decisions based on their rehab cost projections.My suggestion would be to study how to evaluate the Big 6 rehab costs: roof, siding, windows, HVAC, electrical, and plumbing. 

True off market deals are ones that you find yourself, direct from the seller without a wholesaler or any other middle person involved. 

Each unit is individually owned, with some owners holding multiple units.A few things I’m trying to understand better:Pros and Cons: What are the main benefits and challenges of owning multiple units in a property like this with a condo setup?

you should be calling an attorney if what you've said above is true. 

But to sum it all up my new jersey properties where slightly out preformed by my out of state properties and it took longer for me to really be able to enjoy true cashflow from my NJ properties. 

Depending on where you are looking, inventory for 1-4 units can be a challenge as a lot of the NW suburbs are all single family homes unless you are further NW like Rockford or Elgin or something like that.