Probably 90% of sub to / seller financed transactions involve purchase price ABOVE what an investor would pay having to obtain new institutional financing or paying cash.  

My advice is to get a real estate centric job, save and obtain practical real estate experience.

Right now, if I see a house I like, I'll take down the address and search it on my town's portal to obtain the owner name and address.

I have clients in tech, pharma, entertainment, and more that do real estate on the side.

Additionally, I’m considering converting a garage into a bedroom.If I want to list these properties on Airbnb, I understand I’ll need to obtain the following:•BTR (Business Tax Receipt)•CU (Certificate of Use)For these, I’ll need to undergo a city inspection.

The third coaching program is someone simply signing up with them to learn to invest on their own however if you submit a good deal that makes sense they may entertain partnering with you. 

Are there other ways to obtain a mortgage loan without a current income with a good amount of cash on hand?

So, we obtaina full credit report and review collections, chargeoffs, age of credit accounts, active accounts, etc.to build an overall credit evaluation.FICO ScorePct of PopulationDefault Probability800 or more13.00%1.00%750-79927.00%1.00%700-74918.00%4.40%650-69915.00%8.90%600-64912.00%15.80%550-5998.00%22.50%500-5495.00%28.40%Less than 4992.00%41.00%Source: Fair Isaac CompanyPublic RecordsWe also obtain data from national databases about evictions, convictions and sex-offender histories.

Let's assume there is no CO obtained immediately after the sale (will do later after repairs are done), and no township or local-level inspections requested.Is the township automatically notified by the county of the sale or is there some mechanism by which they would learn about the sale and update their records, other than by the buyer telling them about it, or applying for a CO? 

I understand that you can obtain a fee for introducing  buyer or investor to an owner of a property.