Start with BiggerPockets Ultimate Beginners Guide (free).

He will be totally hands off and only role is to provide money.My goal is cash flow and another investment(same as my father).I have limited free cash on a tight budget but have access to a heloc loan for expenses if needed.

So feel free to DM me if you think I could help.The other reason for me to reply to you is to debunk some untruths that are being circulated about international investing, as it could help all readers who bump into this thread.It's not true that many European countries require you to be a citizen or a permanent resident to invest in real estate there and certainly not in the countries that you mentioned.

Quote from @Zach Howard: First of all, feel free to make any and all comments you wish; there's no need to sugarcoat anything.

If you have any mobile home investing related questions, feel free to DM.

Just make sure you account for Denver’s higher property taxes, insurance costs, and the ever changing landlord regulations when running your numbers.Feel free to ask more questions about the area or strategies—I’ve helped clients with similar goals and have personally done house hacks and short-term rentals around Boulder and Denver.

Happy to discuss further, feel free to connect. 

Check out FilePlace, where user-created forms are available for free.

It’s something to keep in mind as you plan your move.Feel free to reach out.

If you are set on your strategy of just adding 3 more rentals then you should probably leverage your network of lenders and discuss best options with them to free up some cash for more investments.