Due to item 1, adding an ADU can require years to start achieving any return (once the accumulated cash flow recovers the initial negative position).4) Adding an ADU is a slow process.

If you have other investments that accumulated depreciation over the past years, that depreciation can be used to offset your capital gain as well.

If you can act as minority partner, finding deals that return a great rate to the equity partner, you can begin to accumulate a decent income from rental property even though you have put no money down. 

Sure, accumulating enough passive income to exceed expenses is great, but the ultimate goal is for us to bring some genuine value to the neighborhoods we invest in.

Sounds like cash flow is not your goal, but rather equity and wealth accumulation. 

Cash Flow: The goal of a LP syndication investor is to create a "ladder" of investment that create accumulated cashflow and cashout at different times.

But it is a place where people want to come, where wealth accumulates. 

As Zach had mentioned, doing a house stacking strategy is a great way to accumulate properties by taking advantage of low down payment primary residence loans.

For major elements, usually over $10,000 each to replace or perform major maintenance, you have a reserve fund that should be accumulating funds for that predictable future date when replacement or major maintenance is required.

Firstly, I'd like to start by saying thank you for sharing the knowledge you've accumulated in real estate thus far.