On the other hand, the good news is that if bitcoin price ever falls into the quagmire of $2-$4 again, only about 500k dollars is required to salvage it, and that's definitely not a lot.
And I don't think it is possible any longer. If internet infrastructure stays intact, we will never see $2 again. To prove this, I'll be ready to buy out any amount of coins at $5 per one, and I'm sure I'll have to wait in line.