Landlords eventually evicted and then this units were trashed so they ungraded them and increased them up to market rents.THEY are causing the problem

The Fed rate cuts will eventually help bring down mortgage rates.

Also, what niche jobs in real estate (Agents, appraisers, house inspectors, lendors, ect.) are going to be replaced eventually?

Is it an automated voice attendant, is it a call center where you are routed to someone else eventually to get an answer, or is it a live, well trained staff member?

We are definitely dependent on that population and job growth to eventually gain some profit spread.

I wonder if Airbnb will continuously let these big fish to swim or eventually do something.

Eventually, after finally admitting he could not obtain a loan, he failed to return my capital, and completely stopped responding just long enough until the banks were unable to reverse any payments.

Actually you'd never hit that because eventually the debt pushes you into a margin call and forced sell and you'd be at or near $0 in just handful of years at best. 

I plan to own 15-20 eventually and maybe more if I can find the success I'm expecting.

For example unlike sub to, in an executory or land contract the seller stays in title which means all the risks are there for them getting liens and having those attach to the property or other typical title problems, plus having to pay closing costs and having a new higher rate when you need to eventually exercise the option.