Both properties have a substantial amount of equity that’s essentially sitting idle.Would it be a good idea to tap into this equity (through a HELOC, cash-out refinance, etc.) to fund future fix-and-flip projects or purchase additional rental properties?

There are also additional costs of operating and maintaining an LLC, like separate bank accounts, annual report filings, tax filings, etc.2.

These are professionals with additional training and a stricter code of ethics.

Additionally you can do a cost segregation study and get a lot of depreciation benefits to offset the rental income (and potentially other income).  

Additionally, trying to spot paint even a white wall with white paint doesn't work, let alone other colors.

And if still in Spain, how long until it's in US and is shipping additional or is price landed? 

The decision to do a cost seg generally comes down to whether or not you can actually benefit currently from the additional depreciation.

This doesn't replace the need for a MSA that will capture additional clauses needed on a Contractor-SubContractor relationship, this is just a project specific form you would use in addition to the MSA (prepared by your Attorney):This template is for informational purposes only and does not constitute legal advice.

In addition, we pull our own comps and use Lightning Docs to generate our loan documents.

I intend on sending the tenant a bill for the exact repair cost as "additional rent" (per the lease) instead of evicting in the winter and deducting from the security deposit.