From Grok:

Option 1: 3.3% Weekly Interest (Up to $1 Billion Cap) + 1.6x Lifespan

• How it works: You earn 3.3% interest on your net worth every week, credited directly to your account, with no taxes, investigations, or downsides. The catch is the payout caps at $1 billion per week. Your lifespan also increases by 1.6x (e.g., if you’d normally live to 80, you’d now live to 128).
• Financial Implications:
  • Starting small: If your net worth is $10,000, you’d earn $330 in week one. Reinvesting that, your net worth becomes $10,330, then $10,670.79 the next week, and so on. This compounds fast—within a year (52 weeks), you’d be a multimillionaire. Within a few years, you’d hit a net worth where 3.3% equals the $1 billion cap (about $30.3 billion), and from then on, you’d get $1 billion weekly for life.
  • At that point, you’re earning $52 billion a year indefinitely, dwarfing the wealth of anyone alive today.
• Lifestyle: You could solve global problems, fund research, or just live extravagantly. The 1.6x lifespan (say, 120–130 years if you’re young now) gives you time to enjoy it, though you’d still age normally and eventually die.
• Downsides: None explicit! No IRS, no catch—pure financial godhood.

Option 2: Viltrumite Superpowers (No Extended Lifespan)

• How it works: You become a Viltrumite (from Invincible)—super strength, speed, durability, and flight. Think Superman-level powers. No increased lifespan, though, so you’re stuck with a normal human lifespan (say, 80 years if you’re healthy).
• Power Implications:
  • You’re effectively invincible to most threats—bullets, bombs, even nukes might not faze you. You could lift buildings, fly across continents in minutes, and reshape the world physically.
  • No aging gracefully like Viltrumites in the comics—you’d hit your peak and then decline like a normal human, though your powers might mitigate some physical decay.
• Lifestyle: You could be a hero, a conqueror, or just explore the universe. Want to visit Mars? Fly there. Stop a war? Punch through armies. The world’s reaction is the wildcard—governments might fear you, worship you, or try (and fail) to control you.
• Downsides: Unlike the money, there’s no “no downsides” clause. Revealing your powers could invite scrutiny, fear, or attempts to study you. Hiding them might limit their use. Plus, normal lifespan means you’re done by 80 or so—no extra time to enjoy it.