Investors hate top-down market sizing ("the global X market is $400B, we'll get 1%"). Build bottom-up:
- # of target customers in the US
- × ARPU you'll charge
- = your serviceable obtainable market.
If the answer is <$100M, you're not a venture-backable business. That's fine — but don't pretend.
Next action
Turn the lesson into work.
Pick one concrete next step now, while the context is still fresh.