Thanks 234, golden and Konstanz for the discussion.Another possibility is entering into a long-term lease that you can show your home country. Perhaps pay someone $200 to $400 per month for the use of their extra bedroom, with their knowledge that you will only visit a few times a year. That is like free money for them.
So, for less than $5,000 per year you have a long-term lease as proof of residency. Perhaps you could also join some local clubs and organizations as additional proof of ties to the country, along with a local driver's license. And if you use a second passport for most of your travels, your home country passport would only show a few travel stamps.
In my example :
The idea is to respect the 183 days+ presence and have a real long term rental in the uae, as well as proofs as daily food delivery orders that show that you actually live there. To respect that honestly on this point.
However you opened a freezone in the mere purpose to get a visa, you conduct all your activities throught your physical person(day trading/investment). Or for some reason you just cannot get a bank account for your FZ. Thus you wouldnt be able to grant yourself a salary and obtain that certificate. From that discussion I understood that this tax residence certificate is neither enough, neither necessary to avoid problems from your citizenship country.
So from what Konstanz says it seems it is enough to simply live 183+ days in uae, avoid to trigger tax residence in your high tax citizenship country (own nothing there and dont come more than a few weeks per year on holidays per year). Then even if you become a person of interest and do not have a salary/ dividend/ active FZ for the reason aforementionned in uae and do not get the tax res certificate you are safe from your citizenship country ?