Continuing to plant fruit trees, flowers, agave cactus, etc.  

As someone relatively young, obtaining a conventional loan has proven challenging for me.

Refinances are still active, slim pickings but some players are out there who are direct lenders, flip loans are also available (75-100K) min property other than conventional and gov backed loans.  

I'd like to ask if we're all assuming a conventional of FHA loan?

If the property is uninhabitable you won't be able to get conventional financing (through a bank) on it.

If scaling quickly is your goal, DSCR loans are a great tool for the refi portion since there’s no 12 month seasoning requirement like conventional loans, and DTI isn’t a factor. 

There's also the conventional loan program CHOICERenovation by Freddie Mac.

If you update to max number of conventional units, you will be able to add an ADU for each conventional unit

Typically, conventional loans backed by Fannie Mae or Freddie Mac are eligible, while government-backed loans like FHA or VA loans often are not.

If that country is part of the Hague Convention, a local official can handle the signing and attach an Apostille authenticating the document(s).