One huge difference you notice right away is groceries. Groceries in central London are half price or less what you'd pay in most of SF. Rent is definitely lo

One huge difference you notice right away is groceries. Groceries in central London are half price or less what you'd pay in most of SF. Rent is definitely lower in London. That said salaries are lower in London too, so the relative "cost of living" may be higher here. I'm still thinking in America Bucks.