It will also depend on how your asset allocation is, I like to keep mine mixed between real estate and the stock market.

If you sell, it will cost you a lot of $$$ Plus, you best asset is the interest rate.

Your current RE seems like a fine asset that I would not consider selling to enter most other markets.  

If Denver’s appreciation is still strong, borrowing might keep you growing while holding onto a great asset!

So while cash is necessary to keep the property afloat, I invest more for the appreciation of the asset.  

If you have a mortgage the lender will require you to have insurance that protects the asset that secures the loan3.

I would be amazed, shocked even, if a traditional financial institution was willing to lend on a non-habitable asset up to 80%. 

Setup all business tools like a CRM, MLS access or RE software suites a webpage digital business cards a Facebook business account. 

I'm considering investing in a long term rental or rental property for digital nomads either in Porto or Lisbon and would like to learn more from someone who is already invested in the market.

When that’s not enough they go after personal assets, if your rental is in your personal name it’s targeted.