I'd recommend searching by zip and interviewing an agent or two to see who you're most comfortable with.

In my search, I've noticed that many positions require proficiency in Yardi.I've been actively looking for effective ways to learn Yardi, but it seems challenging to find suitable training or courses online.

Robin Carriger is the organizer and they usually post notifications here on BP.I've posted other lists here several times and can do so again if you need it and can't find in the search function. 

Best of luck in your search ! 

For suburbs you really have to search for each cities rules.  

Curious to know what type of property I should be considering/searching for/advising him on.

From an internet search"Unrelated Debt-Financed Income (UDFI) is a tax that applies to an IRA when it uses debt"

Here are a few suggestions on how you can maximize the wealth of information available: Check out the blogs and podcasts, or take advantage of the search feature (magnifying glass).

In search of lender for house hack in Austin area.

Close to a cool little town, close to an area attraction, etc....Also do a search here and see how to screen guests, in addition to what the hosting sites do.... like no last minute bookings, no short stays....