Launching in 17 hours. Should I reconsider or move on as planned?

If you've done your market research and prepared well, go ahead with the launch. Last-minute jitters are normal but don't let them derail your plans. Any specific concerns you have?

Might as well, the start is the first step in the 1000 step journey. It's like playing a game, when you start you are level 1 not 1000, don't try to be perfect just keep it moving

how much time and effort have you put towards the rollout?

If you've started the countdown, don't look back! Test, evaluate, optimize, and develop as you go!

Good luck.