Retirement in 10 years

Hi. I am 38 years old. So far I have a portfolio above 50k and approx 250k in cash, waiting to be invested (I invest approx 5k per month from this 250k). I would like to retire in 10 years, using jepq as my main source of income (I also receive approx 800 euros from real estate) and focus on my family. In greece where I live, the tax rate for ucits etfs is 0%! ​My monthly expenses (I have a family) is approx 3.2k per month, including everything (private schools for my kids, vacation etc). Of cou