This will never happen, but in a theoretical scenario just for fun, I would buy at least 10000 out of it to be able to say that I hold 5 figures in my Bitcoin wallet.
lol, and just think when the price of it after buy that amount reach to $1000, you will be millionaire, But I do not want the price to go back direction, no matter how much price is now, I will buy bitcoins as much as possible and will like that the price continue to rise.