This is the foundation of why LaPlante Real Estate is based in portfolio management and property management... my personal portfolio started in 2009 and I find the majority tends to be Section 8. 

Additionally, when comparing whether to build a single family portfolio or a comparable multi-family portfolio, you should also keep in mind the transactional costs involved.

What type of properties are you looking to add to your portfolio?

Now most of the time we don't see househackers/investors use in-house or portfolio loans from banks because sometimes they have more restrictive guidelines and higher fees for holding it which might cause the numbers not to work or for the deal not to go through entirely. 

It's hard to get millions of people to agree on anything, but it is a very tried and true way to conservatively grow a portfolio.

I want to work on Growth, both portfolio & Personally2.)

Consider what your long-term goals are, is this your only rental or do you want to grow your portfolio?

These costs for most of the individuals are considered personal in nature (unless you have a RE portfolio that is run like a business; see below).

The current portfolio doesn't require much management, but I feel there is opportunity to grow the portfolio moving forwards. 

How has your overall portfolio been enlarged?