Is it possible to get a traditional loan on the 25% and owner finance the rest? 

It has Roth component and traditional built in.  

All my properties are traditionally financed with 20-30% down on 15-25 year AMs that balloon between 5-10 years.

Rates are typically higher than a traditional cash out refinance, however at least you are not getting the full loan amount + you have the flexibility to draw/tap in the money whenever needed.

Can I get a traditional US mortgage for an international property investment?

I imagine the home I can use a construction loan or my heloc again to complete and then get a traditional mortgage as that will be on its own lot, but the cabins will all be on a large lot containing the farm itself.

If you're sticking to all-cash, passive investments, you’re right that flippers and small developers often look for cash investors to fund deals without traditional financing.

The best opportunities to get seller financing is those properties that require repairs and traditional financing may not be an option.

**Flexible Financing**: DSCR loans can offer more flexibility in terms of qualification, especially for those who may not have a traditional income stream.

Why not just get your license and sell real estate the traditional way?