Launching a product can fail when basic things are ignored. One common mistake is talking too much about features and not enough about the problem it fixes. Another issue is poor timing, where people hear about the product once and never again. Skipping testing is also risky because early feedback shows what needs fixing. Clear messages and simple pages matter more than hype. Rushing ads without plans often wastes money. Learning from small tests helps avoid bigger problems later. What launch mistakes do you think brands should watch for?