Choose!

A minute is 60 seconds
5 x 60 = 300
A hour is 60 minutes
300 x 60
18,000
A day is 24 hours
18,000 x 24
That's
432,000
Then 432,000 x 7 days is
3,024,000
So definitely option #1 [I didn't use a calculator, please tell me if I'm wrong :)]

I'd go with $5 a second.

Knock knock
Who’s there?
Five dollars

Maybe, until I pass out from exhaustion until my body says I can wake up again, or I die.

Or, better yet, link it to my bank account, if that's an option.