If I have their SSN and other info I just log into my account and key in their data.

I’d say, as others have already, education is key, but there’s no better education that to learn by doing.

It's key to get professional opinions from well/septic operators to assess the nature of the private system. 

And he also told me, "I do not think you can access into the property and property only is sold for “as it”Let me know thanks.I really think he doesnt have a clue where he put the key and he's not visiting anytime soon.At this point I'm not sure what to do, please help!

If you're looking for a house hack I would wait patiently for the right 2-4 unit that works well for you and your own individual needs or I would buy an older SFH with an accessory dwelling unit (or the opportunity to add your own or convert an unused structure on the property).

The investors funded the entire purchase and renovation funds.The key to this is finding a REALLY GOOD deal.

I think there will be many opportunities for the patient and well skilled.

For your first one I would find one that is more turn key.  

The key is almost all of these types of questions is "What does the contract say?"

From the "Maxable" website (California legislation):Quick Run DownThe key takeaways?