Besides a payment method, I believe bitcoin can work as an investment similar with gold.
Yes, definetly.
One of the great things about bitcoin, and what makes it much better option than dollar or some other fiat, is that it can be moved without insane fees.
And, like you said, it has amazing investment area, as it can be used as a store of value.
Anyone talking about bitcoin scepticly has been prooven wrong, now if we could do something more about the safety to prevent dumbos from loosing their wallets, it would be even better.
cheers
The fact that bitcoin can be moved around the world quickly and nearly free is probably it's biggest advantage. With fiat you will almost always encounter some kind of fee when sending funds even to someone in the same state as you, and generally speaking the farther you need to send a payment, and the more you need to send, the more expensive it is to send the payment.