If the choice is paying a high interest rate and still making money that is often a better choice than not doing the deal at all. 

I highly recommend staying well-informed about tenant/owner laws.

The difference is that the physical assets which make it harder for quality control.In average, it took me about a year to build a strong team, with a lot of hands-on involvement, but I spent a lot of time looking at the work.Currently, I am building a team for my portfolio in Dallas that I have with some investors, but I am here so I can look at the work closely.What I have seen is that is better to have one or two employees in a payroll and then all others as contractors.

This is caused by many years of low interest rates, high construction costs & supply shortages, along with high demand from millennials buying first and move-up homes at the same time baby boomers want to downsize. 

No clue, underwrite some deals and find out.https://www.affordablehousing.com/ is a website dedicated to section 8 rentals and may provide some insight as to what you can expect to get in your local market.

Also, in my area, the associations often have websites where they publish their rules.

Is there a website I can go on to get that information?  

Go to the Etsy website and search for "property management spreadsheet" and you will find more options than you can shake a stick at.

@Wayne Kennoff- thanks   1) getting a personal referral is a good place to start 2) if you have narrowed down the options to a few -  contact both on the same  days and ask them for whatever  quotes  for your scenario ...ask for a loan cost worksheet  if  possible .  ...if their pricing ends up being  the same - make a decsion based on the  feel  for  cutoner  service you get when communicating with them.   3)  make sure they  disclose all the fees  related to the  refinance  ( not just their  own fees ) ..4)  reviews are   hard to  use to make a decision ( as you found out ) 5) rates are pretty high right now for rental  properties ....if you can wait to  refinance - you might consider doing so ...if you need to refinance - so be it ...Good luck 

She is highly noise sensitive and constantly complained that I wasn't holding her neighbors to the "quiet use" portion of the lease.