If You Had 6 Months to Go Full-Time Online, What Would You Focus On?

Hypothetical scenario:

You have 6 months, a laptop, internet, and about $500 to invest. No special skills.

What business model would you choose and why?

Trying to build a focused plan instead of chasing shiny objects.

i'm go learn bug bounty, or make saas but i dont have laptop right now -_-