I am not an accountant, but need to start using more sophisticated accounting software. 

That said, even with conservative rental income estimates, my living expenses would eventually drop to several hundred dollars less than what I’m currently paying in rent once the house hack starts generating income.I do have cash reserves to weather some rough patches, but the idea of pushing my budget this hard makes me uneasy.

-Start with a JV structure on a few smaller projects to establish a track record before seeking full financing on your own.

There's a reason that people try to buy properties off-market and that is because you can find sellers who care more about terms than maximizing returns.So start with a conversation: you already presumably have some rapport since it's your landlord and you've spoken before.

I'm Alejandro and me and my wife are doing our research to start investing in the US.

Quote from @Allison Craft: Prosper is very expensive in my opinion, especially when starting out.

I'm now aware of any "lifetime" limits for FHA loans, but you're required to live in the property for at least 1 year after the loan starts.

house hacking is great start, that's how i started in the business. would love to connect

How long ago did you start? 

I grew up in Bucks County and started my career in Real Estate in Doylestown.