Many types of OSB outperform many types of ply.  

Half the stocks outperformed the index while half the stocks unperformed the index even going into negative numbers.

I accept average yields but choose to outperform by being in an A market and using creative financing.  

One of the interesting trends from 2020 was how affordable markets - those with cheaper rents - significantly outperformed expensive markets in terms of rent growth. 

A neighborhood that is out performing this year might be flat next year.

Zillow out performs any other source.

forget 1%, COC and cap rates here... focus on principal reduction, appreciation (very high) and squeeze out some minimal cash flow where you can1% rule (gcf or ncf), COC and cap rates are only accurate when looking at historical data so I am not a fan of using those for long term investment planningEquity/appreciation stacking/principle reduction always outperforms GCF long term

Real estate is not passive it should outperform passive investments like average return on stock market, bonds, and high interest savings or money market accounts.

If you're still feel like the investment is giving you acceptable returns you're in good shape (and will probably outperform your expectation).

I understand that your concern about only generating 8-9% ROI on a property is not attractive at all and usually if you just stick with blue chip stocks you will outperform that. but take into account the equity you're building on the house every month. i kind of look at it as getting paid dividends each month. even though you aren't generating cashflow, you're technically not losing money on the property.