What’s next for SpaceX after its successful Falcon Heavy flight?

This is a huge milestone for SpaceX. The question now is: What’s next? There were a lot of expectations pinned on this rocket, if not this specific launch. It would have been disappointing (rather than catastrophic) if the rocket had failed; SpaceX could have attempted another Falcon Heavy launch in another few months, assuming the launch pad survived. It was a test flight, not a make-or-break