how do you maintain control of the sale?

My class was lead by Regina Sims who later on got busted for maintaining a drug house...http://fox6now.com/2015/09/28/her-job-is-to-evict-people-from-drug-houses-now-regina-sims-is-charged-with-keeping-one/

Many of the homes are very original but fairly well maintained.

There are a few and minor things that needs repairs since they maintained the house pretty well(second family to own it), just needs some upgrades.

They had had a maintenance contract and kept it maintained .

It's because of the administrative burden of maintaining a corporation not being worth it if you buy a single property (and the cost as well but that's not significant).

This includes tenant screening, writing leases if you don't hire a PM, managing rent payment systems, filing as needed with the county/city, maintenance and upkeep and how to out-source jobs that you don't want to do or can't do, scheduling, maintaining income and expense records, and the list goes on.

Plus if you think about it if the property is maintained the price is likely not gonna go down and so you should take into account equity gained.

Does it cost a lot more to maintain a 2,500sf house in Palo Alto renting for $10k/month compared to a 2,500sf house in Elk Grove renting for $1,800/month?

They have the license, experience, and a reputation to maintain.