Paying off the notes, working to pre-emptively make repairs to capex items before they fail or become a major issue think roof, HVAC, and foundation.

Old properties aren't a bad thing as long as you account for the big four- HVAC, foundation, roof and sewer.

You don't need to know everything to get started; you need a foundation to build on, and the rest will come through experience and then refining your education.You can build a basic understanding of investing in 3-6 months.

It’s important to be more conservative, especially when starting out, to ensure you’re building a solid foundation for for long term success. 

@Tyler GarzaYour strategy has a solid foundation, but a few key refinements could help you maximize returns while minimizing risks.

With the growth mindset you clearly have, you're building a solid foundation for success.

I encourage you to define your financial goals, as real estate presents numerous possibilities.Building a strong foundation of knowledge and connections can significantly impact your success in real estate investing.

As @Terry Ouimet said...when you start off a project (or anything in life) from a bad/illegal foundation, it will never be right2) Yes absolutely we need to bring back or start anew with a proper green card/work visa program so we can get all of the LEGAL help we need in this country.

Dwelling (Building coverage)The limit should be based on the Replacement Cost of the building (cost to rebuild withthe same kind and quality excluding the foundation)2.

If the drywall cracks in the next year or two, or the doors start to stick, then you likely have a larger settlement issue going on, and will likely need to call a foundation repair contractor.