I realized the value of a reliable PM, unfortunately, I currently lack that asset.Q1: Given my situation, what is your recommendations?

The first 2 things you want to build is your REPUTATION and RELATIONSHIPS.

Additionally, the latest trend in new construction involves building properties specifically to rent.

Bomb proofing the sewer will not add much value, but should provide decades of reliable performance.  

What do you consider a small apartment building 4 units or 20 units?  

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I have a plan to buy 1 rental property for every 5 builds that we do.

Part of your rent payments can go towards the down payment, allowing you to build up the necessary funds over time while living in the property.

Building a restaurant is shockingly expensive, especially the kitchen, ventilation and fire suppression.

Commercial lending doesnt have rules about unsecured funds use (credit cards, personal lines, etc) that residential agency financing has (fannie/freddie 1-4 unit).So where you obtain funds to consummate your equity (down payment) of your transaction is more flexible.Its one of the reasons to build a business that has a good credit rating so you can obtain money to build your real estate holdings.