I plan to live overseas long-term, but I don't want to sell my house.

I also prefer not to use a management company, as I don't want them cutting into my profits.My long-term goal is to generate enough income to live comfortably and eventually build a real estate empire.

Limit your holding costs. 

Just a potential short term solution to the emptying daily issue, I don't have answers to the other questions above. 

Having been in the lending space for a while now,  Interest income is not passive - its considered/taxed as ordinary income- just like interest you receive from your bank and savings account.Regarding profit and expenses from a flip, "that depends" on many factors but again if its short term capital gains, its not tax friendly.As always consult with your tax advisor / CPA. 

Have you heard of the term "acting in good faith" ?

I can cover the negative cash flow for the remaining mortgage term and may look at paying it off early.

I will likely focus on adding another long-term rental using DSCR product

I'm particularly passionate about real estate investing in flips and long-term rentals.Outside of real estate, I enjoy running, cycling, and playing with my dog. 

This amount aligns closely with your rental income after expenses, so you’d be cash-flow neutral or slightly positive.At the end of the five-year term, you could aim for a balloon payment based on the property’s future value, which should appreciate by around 4% annually.