I do plan on incorporating the House Hacking strategy into my plan as a starting point.

You are still overthinking it a little: no need to incorporate inflation, because it is just a devaluation of the currency, so it effects income and expenses alike.The fact that you are planning for capex items already puts you ahead of at least 50% of new investors, who just think about PM and repairs.One major realization is that you need equity growth to pay for capex.

I'm not just talking about them notarized wich we already did 2x but filling out the " Statement of fact" paper wich wants your drivers license your ,sdn all address for last ten years all spouses and children's info your employment history and a narrative about why you don't want the property plus your notary and thumb print.

I like duplexes as well, yet part of the puzzle is incorporating the 3 affordable housing units (2 bedroom).

By incorporating additional collateral to secure financing, investors can enhance their security, ensuring that the asset pool remains sufficient to stay within the desired CLTV range.

To help others get a feel for seller concessions I created a lil Acronym for some questions that can help one determine if a seller concession strategy is plausible and what to think about when incorporating one into an offer to purchase:Sales Price- By increasing the sales price, can the buyer still qualify and what's the out of pocket savings going to be redirected towards? 

For example, have you had to incorporate other softwares/integrations to solve a "problem"?

That’s definitely something I’ll be incorporating into my thinking and also sharing with others going forward.Thanks for sharing your experience and perspective—it’s super helpful to hear how you approach the nuances of real estate investing!

I couldn't figure out the language or how to incorporate the interest into the payment so this was huge help to me. 

If I NEED to sell within five years, this calculation provides insight into the real-world return that incorporates these vital aspects of the investment.I want a balance between steady cash flow and long-term appreciation potential.