We have about 3600 units and self manage about 2,000 units.

@Scott KramerMany people have created property management companies to adopt a solo 401k plan.

Croatia has less developed area and less people.  

That said you may consider a Solo 401k to contribute 10x more than an IRA annually if there's self employment robust enough and no employees. $50k might be enough to do some PMLs but probably not for the IRA/401k to actually own real estate.

Love the community and the people in it.I bought my first property, a single family home, about 18 months ago.

Your options are as follows(Depending on if you are still with your employer and if they allow loans)1.

Many people suggest LLCs for legal protection.

I’ve been seeing more investors use asset utilization loans lately, qualifying based on their liquid assets or portfolio instead of income or tax returns.For experienced investors or self-employed borrowers, this seems like a powerful way to unlock equity and keep scaling even when write-offs limit income on paper.Has anyone here closed a deal using this type of financing?

All different.Here are some of the things you listed that don't really do much, and why:Projects in the next 10 years:  When people lived where they worked this was important. 

House flipping is taxed as non-passive income, meaning profits are subject to ordinary income and self-employment tax.