This just a lucky break for me however that the seller ended up being an very ethical individual. 

Next I would try to find a smaller area within the zip code and then start searching for individual properties.If I can’t find anything in California, I would start looking elsewhere using the same steps.In your opinion, is that a good approach?

Also your individual goals.

I'll just pay to 2% or 3% commission to the buyer's broker, and keep the rest for myself, individually. 

Once you learn of those developers in the community you'll then begin to be able to create relationships with those individuals and start to invest in the commercial deals. 

If there is anyone that know of such individuals, please let me know.

It's for like minded individuals who have a lower chance of a catastrophic health problem.

the more clients they have, the less hours.Now... do you think a marketing company will devise, create, and come up with unique, individual marketing strategies for every single website?

To make matters worse a lot of them are not individuals but rather companies submitting evictions and so there is no point of targeting those.

When you file your first US tax return, you will be issued an Individual Tax Identifier Number (ITIN).