Avoid "champagne problems" - in Silicon Valley startups, these are problems that arise after customers use your product enough.

“What if we win? We don’t have glasses for the celebratory champagne! Let’s get them now while we have time so we are ready.”

or something along those lines

This is the same as:

Musk is iterating on rockets that go to space. Iteration works. Do not get champagne glasses, just launch.