Nothing spectacular: Pay off flat mortgage & rent it off, build a house in the neighborhood (parcel prices gone crazy here now), buy a new second car (nothing f

Nothing spectacular: Pay off flat mortgage & rent it off, build a house in the neighborhood (parcel prices gone crazy here now), buy a new second car (nothing fancy, like some Renault or other) and keep living as nothing happened (work, but less stressful etc.) Maybe I would also buy 1 or 2 small flats to rent near the university at nearest city etc.