That said, it’s like learning anything else (at least in my experience); you just put one foot in front of the other.Of course you're going to run into "analysis paralysis" when starting out with anything of any complexity, and the note business is no different.You would do well by just concentrating on the marketing end first, say, by developing effective ways to source "plain vanilla" performing notes, secured by either SFRs or commercial property.

So I've got some information about a townhome property in a HOA complex that is about $4k delinquency for not paying HOA and the other is $7k.

This forum has really helped me level up my skills in this complex industry.

However, I want to maximize a passive income and one day building an apartment complex.

She builds large apartment/complexes/hotels/commercial/etc... and has good relationship with city for permits/inspection approvals.   

It is a small condo approximately 500 square feet, 1 bed 1 bath in an 80-unit complex.

I have experience with designing outdoor spaces for single family homes, monuments, apartment complexes, hotels, medical offices and more.

@Luke Harrison if you want to avoid complexity, he writes you a check and you give him a promissory note describing the transaction. 

Talk to lenders to find out what they will require from you. due diligence is much more complex on a multi than a single family, make sure you spend a lot of time on thisyou should have a lot of practice doing underwriting or someone who can help who knows how to analyze what the real world financials will be. understand the area and the overall strategy of the deal.

If he only has a 2nd, and that passes on to his heirs it's less complex.