I know little about owner financing, and to be honest, if I take on a 300k house payment (or even 250k for that matter), I would struggle to make the payment if I had a prolonged vacancy due to my current W2 income. 

My goal is to build my portfolio over time and secure a stable primary residence. 

If you wanted to diversify you could use the income and purchase other properties, slowly add other properties. 

What is the security on the above?

With two rentals, you might consider QuickBooks Online Plus, which allows you to track income and expenses by class codes (ideal for separating each property’s income & expenses to assess profitability by property).

So I  have a income of around 15k from the business.

To keep these approvals valid, developments should secure public investment to support housing affordability and ensure that at least 50% of the units are affordable.

If this effort gains traction, it could fundamentally reshape the U.S. mortgage market, impacting financing options for real estate investors nationwide.The Role of Fannie Mae and Freddie Mac in Housing FinanceFannie Mae (Federal National Mortgage Association) and Freddie Mac (Federal Home Loan Mortgage Corporation) are government-sponsored enterprises (GSEs) that purchase mortgages from banks and lenders, package them into mortgage-backed securities (MBS), and sell them to investors.

I’d also prioritize getting pre-approved, securing financing, and starting small to build experience and momentum.Good luck!

Lenders will want to know if the property is generating income and if it qualifies for a DSCR loan or traditional financing.