/biz/ - Business & Finance

>>57533569
>grandpa takes me to dinner
>reveals to me that he is secretly a multi-millionaire
>nobody else knows
>transfers me $100k because 'you're a good boy and I want you to have fun'.

Now I'm still in shock, and I'll spend like 3k on something nice, but what should I be doing with the rest of this? I have very little financial literacy besides playing in the market with small amounts just for fun sometimes.