Trying to use Bitcoin to buy a bottle of milk is like using a flamethrower to light a candle or using a pistol to kill a cockroach. Certain things are meant to be used in certain way. Bitcoin was made to be a payment system, but it doesn't have to be a system that will allow you to buy a pack of smokes. Since it became a store of value in these uncertain times, you will not be able to buy very cheap things with Bitcoin, just like you can't do it with gold. Bitcoin is better though. It allows you to buy things directly, unlike gold, even if these things have to be of certain value for you not to lose money on fees.