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You would need about 50K a year to live comfortably here so at a 15% return thats about 370K in HBD to be set up for the long haul.

50k is quite a lot, here with 20-30k you are fine expecially if you own your house, but i consider getting the retirement wage about 1000€ month, at this point even 300-400 hbd month would be fine