First long-term ETF portfolio

Hi everyone, I'm from Italy and I'm about to start investing for the long term. My current situation: - 28 years old - Stable full-time job as a software developer/engineer - Around €68k net worth, mostly in cash and fixed-rate savings products I keep most of my cash because I may buy a car and house in the next few years, and I'm still undecided about buying a house since I'm not sure I want to stay in Italy long term. For my long-term investments, I'm considering: - Initial lump sum: €2,400 -