I would literally solve a problem I have and start a startup now. Whatever bothers you, fix it. You’ll learn everything including programming along the way. If

I would literally solve a problem I have and start a startup now. Whatever bothers you, fix it. You’ll learn everything including programming along the way. If it gains traction apply to YC. Heck apply to YC anyways. Either expand, pivot or exit. Rinse and repeat and by the time you are 25 you’ll be a startup veteran.