19M: 63k€ NW, No debt, Standing at a turning point

I'm 19, just graduated high school in Bulgaria, about to move to the capital for university. I have no active income right now, and the online business that built my savings has significantly declined. How I made my money: For a few summers, I ran my own online stores selling digital goods and supplied stock to other stores. I worked 14–16 hours a day during those 2–3 month sprints, fully focused. The rest of the year, high school made it impossible to sustain. The model was profitable, but over