You'll have far less competition as you move into the 5+ unit space where the different financing and higher prices weed out many of the first time investors feeding on $400k fourplexes. 

Be ready for a huge amount of information at your finger tips.

I haven't financed a home in quite some time so I'm not entirely sure if that would work or not.

Hey Mike I wanted to know if I wanted to seel you my home with seller financing and I  wanted to transfer title to you the buyer. unlike contract for deed WHAT is the instrument they use in Wisconsin.

Pros include securing the desired property and strategic planning, while cons involve higher costs, financing challenges, and complexity.

Bogleheads was the source of most of my formative personal finance education (for ~14 years), and it’s relevant because the SWR discussions there are typically in the 2-4% range.

I also have two buy-and-hold rental properties and am passionate about exploring unique financing opportunities.Recently, I used a VA loan assumption to purchase an investment property at a 3.3% interest rate, which was instantly cash flow positive. 

Sale price is 10% below market value and Seller financing available.

Be ready for a huge amount of information at your finger tips.

Typically speaking 20% down (80% LTV) is the bare minimum that commercial lending requires.  10% down is unheard of unless you are getting a great deal and negotiate some small seller financing in second position or getting an SBA Loan for acquisition where your business will occupy over 51% of.