Also unfortunately, we haven't held anything yet to build a portfolio.

Most everything else you mentioned has been fairly standard on my builds since the beginning.

I come from Europe too, and I know it can be overwhelming when you look at the real estate market in a new country and with completely different building technics ( sticks instead of bricks), but is not as bad when you have the right team in place. 

Hello Ivan,I do not work for BP, but my suggestion is that you follow the Build Your Investing Team link at the top of this page if you have not and follow each step including speaking with the prospective members of the team you want to build and with that I believe you will obtain the answers you need.

Building a 4,000-square-foot, three-story duplex with a 1,000-square-foot ADU could cost about $1.83 million, including construction and permits (excluding land).

There’s no single right answer to every situation, but the more you educate yourself and build your network, the more confident you'll become.Lastly, don’t hesitate to ask questions here, no matter how small they seem.

While Airdna estimated annual revenue at around $45K, I earned $90K last year.Follow these three steps to build a solid foundation before calculating your mortgage and expenses.

You’ll need to treat it like a business—handling tenant management, accounting, legal compliance, property maintenance, and more.That said, when done correctly, it’s a powerful tool for building wealth!

Success in this business comes down to consistency and building strong relationships.Let me know if you'd like to further connect - I'm happy to provide any guidance. 

It can be done but it may take years to build up cash flow especially if you live in high cost area like CA.