Considering buying portfolios of a few single family rentals on loopnet. The scenario I'm ping ponging in my head at the moment is "What if I take out a loan for this portfolio and decided down the road that I want to...

You might want to ask him to explain the BAR rules (Betterment, Adaptation, Restoration) surrounding capitalization.Maybe you can expense it as de minimis over multiple years, but that seems like a lot of work to me (what Michael was hinting at). 

If you leverage it, you can have multiple cash-flowing properties.

I'm new to the game and have been absorbing multiple books/webinars/podcasts, but I haven't seen anything yet about how to pick a place to invest in. 

Because I don’t have multiple properties, I want to start out myself without hiring property manager.

So that opens up the door to just run this thing out to the endzone myself here and save the commission (could probably even use it as a bargaining chip in negotiations).The issue is that I don't really know that much about the finer details of being a buyers agent (even having bought multiple houses before).

He is a gentleman that owns multiple real estate properties, but is looking to get rid of them to get more money for an overseas investment opportunity. 

There were multiple offers and we offered full price.

It was on the MLS for one day and went to multiple offers How did you finance this deal?

For example Avondale I sold a property $695k just 7 months ago and I relisted it for $799k now and it went contingent first week multiple offers.