You are working a demanding corporate job but also want to build rentals on the side.

I'm currently adding all of my numbers for a 20-unit apartment building in for a test, and then I'll bring my other 90+ units.

I also have some capital to contribute.Could someone explain how syndications are typically structured, and how are people using Other People's Money (OPM) to build large portfolios with little to no money down?

cant pull those off with smoke and mirrors :)   and of course my bank that has loaned me about 60 million to build all this thinks I have morals and character as its the cornerstone concept when lending this kind of money on spec builds.. you dont have it you dont get the money.

If you choose to purchase from a turnkey provider or build your own team, don't be swayed into cheaper areas.  

., turning a residential property into a commercial property)-Temporary Structures-Non-Residential Buildings (e.g., barns, stables)FHA 203(k)Minimum Down Payment: 3.5%Minimum Credit Score: 620Minimum Loan Amount: $50,000Maximum Loan Amount: $524,225Occupancy Types: Primary Residence ONLYUnit Maximum: 4 UnitsAcceptable Renovations:-Structural Improvements/Reconstruction (e.g., adding rooms, bathrooms)-Cosmetic Enhancements-Eliminate Health and Safety Hazards-Energy Efficiency Improvements-Major Landscaping (e.g., grading, tree removal, adding walkways)Non-Acceptable Renovations:-Luxury Items-Commercial Use-Temporary Structures-Non-Residential BuildingsBoth of these renovation loans are similar in many ways, but the key differences are:1.

You can build a deck around them as well - or not. 

I studied RE development and investment for my MBA, I am the building inspector for the town where I live and I worked as a contractor before switching to only working on my own deals.

@Heather Bailey while I live in my duplex, I have a standard Hazard insurance policy and I also carry an additional 500k umbrella policy (optional); both policies cover the entire building, but there's no separating it. 

While your condo snowball strategy builds equity, modest cash flow and HOA fees may limit returns.