When that portion was complete, I could then receive draw money which allowed me to pay my utilities, taxes, and mortgages.

Those of us who have build investment assets, businesses, professional practices, etc. understand how much time, effort, planning and capital it takes to “scale”.  

Most people do not know this is a legitimate way to fund your real estate deals and do it in a tax advantaged way.

After collecting tenant pass-throughs for the year, do you pay the property taxes at the end of the year or the beginning of the next year?

Build up your portfolio with a professional landlord and then as your portfolio grows transfer the assets over to a larger PM firm for ongoing accounting and management. 

I am primarily hosting traveling medical personnel because there is a lot of demand for these professionals in our area and because my units are suited to their needs.

You'll be able to defer a bunch of tax with this purchase. 

In US tax law, the depreciable lifespan of an asset is defined by its MACRS classification which stands for “Modified Accelerated Cost Recovery System.”Under MACRS, depreciable assets are assigned to different classes, with each class having a specific recovery period.

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

I have a lot of colleagues with multis in Philly and all are doing well because of low taxes and high reliability, but it has its challenges.