There is a product for this, but honestly its going to be more along the lines of hard money.You are going to save $$$ by just simply doing a cash out refinance and using that as your down payment; especially if you have good credit.

I would simply contact a sign company and see what they would lease the land for.

Given the income and lack of debt, I would probably pull a HELOC on the current primary, but the house you want and do what you need to make it livable. 

I would assume that you'd just simply sell each individual lot to the developer at a set lot price such that your cost to purchase the raw land and improve it to buildable lots was worth the proposed profit per lot.  

You should only have to change when your current software has a flaw or lacking feature that is causing you to spend too much work on a work-around.

., is simply a waste of my time.

Haven't walked a property in years and just did one with my team a few weeks ago.I forgot the thrill of seeing these things derelict and then fixing them up.What a pleasure to see the transformation.What started as a simple dream for me of moving to the US and buying, fixing, holding a few properties and moving back to Australia turned into thousands of rehabs, many companies, staff and monsters with 17 heads lolIt's nice going back to the basics of how it all began.Just simply checking out distressed properties, negotiating, buying and fixing them up.Ahhhh, the good old days 🙏

However, all products shipped via Cargo Containers or Conex's will go up due to a lack of availability of containers. 

Forgive my lack of knowledge here, but what is the best financing option for a US based investor purchasing in Mexico?

. - ideally every operator is sound at all aspects of being an operator, but there are operators who are outstanding at the operational side that are a bit lacking on the communication side.