And if you tried to go through with it without informing the bank it would be fraud.They are blowhards pure and simple.

In a pure sub to, the seller has very little legal recourse if the buyer stops paying on the underlying mortgage.Read the specific mortgage, but the general rules are that ANY sort of transfer of ownership constitutes a breach of the mortgage.  

I'm a real estate investor and own a bookkeeping & CFO firm that purely serves real estate investors.

With the pure Fix and Flip calculator, there seems to be a lot less inputs available for this.  

And I'm not sure how worth it it would be as purely investment because it seems it would only fetch about $500/mo.

I'm also not sure why she paid in USD given that Oaxaca is not one of the internationalized markets where properties are traded in USD.What Trudy does makes sense because she wants to move to Oaxaca and live in that very house that she most likely carefully selected to suit her tastes.As a pure investment though, it wouldn't make any sense.

I say, with a wife and kids, peace of mind would be a higher priority than pure money.

For a pure investment, I would head much further south.

It's a relaxed atmosphere that's purely networking.

You don't want to supply pure speculation to the bank.