Elon Musk wants to use this one ship that replaces Falcon 9, Falcon Heavy and Dragon.
* They tested the carbon fiber cryo fuel tank to failure
* they have had 42 main engine tests of the Raptor engine
* they are going to get propulsive landing perfect
* the landing will land so precisely will they will not need legs for the next version
* launch rate is growing exponentially
They will build ahead with Falcon 9 and Falcon Heavy and have a stock of those for customers that will want to see BFR fly a few times before using it.
They will put all resources to BFR.
He talks about using the rockets to fly anywhere on Earth in under an hour.