This approach allows you to have a legal presence in the country, which is often necessary for investing there if you don’t live in Spain.Having a virtual office in Spain through your LLC could help you access local tax benefits and deductions, such as expenses for mortgage interest, repairs, and insurance, which non-residents typically cannot claim.It’s worth consulting with a tax or legal advisor familiar with both the US and Spanish systems to ensure compliance and take full advantage of this option.

Local banks typically offer lower interest rates but might require a solid track record and detailed financials.

Best of luck on your continued journey, HELOCS can be a great tool to utilize untapped equity in a house.

There are options you can invest in such as oil and gas, datacenters etc. that typically provide significant depreciation.

I’m planning to relist the house around April when the market typically picks up.

Typically in many jurisdictions when it comes to this type of niche there are very few who do it and they all work together. 

I give these threats no thought because 1) my actions are appropriate 2) i document well 3) they have yet to follow through with any of these lawsuits 4) typically their ignorance is apparent in what they are threatening to sue for. 

That's just the max they will pay for rent plus utilities.

Typically you aren't buying a fixer upper with a conventional loan.

It depends on the rental income, what you plan on putting down (20-25% is typical, 15% or 25% is required for conventional depending on # of units) For your owner occupied deal, you should be able to use a portion of the rental income to qualify and help offset your DTI a bit.