From all the Product Hunt experts, whats the best tips and tricks you should know before launch?

Things I've learnt so far: 1. Timing 2. Day of Launch 3. Self Hunt > Having a Hunter? 4. Special Offer for PH peeps 5. Get the whole team involved as Makers 6. Active on social media 7. Product Visuals and video matters 8. Expect no sleep on launch day