The first step is to feel comfortable with your strategy, because then you'll stick with it in the long term! Why not save in several ETFs? For me, for example, an MSCI World is a great dividend ETF. If I were you, I would expand the ETFs and use the individual stocks as satellites. That's what I do. Here's to long-lasting and successful investments!
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@Marco_91 Thanks for your opinion, yes, that's how it would be thought of as satellites, they are all saved with 60/40.