As an advantage, bitcoin payments can be anonymous. I love this, because it will ensure the safe of my wealth.
I can find enough options for my need of spending bitcoins and the bitcoin payments get it's conformations within ten minutes. So, there is no disadvantages I do see with bitcoins.
Other than is Bitcoin price is volatile, you can purchase it when the price is low, and sell it at higher price. Being volatile is a big advantage sometimes. I too don’t see any disadvantages with bitcoin, this may be because I do not have the enough experience with bitcoins to conclude this