Iteration velocity matters more than anything. You may make mistakes when moving fast, but the damage caused by moving too slowly is far greater.
Design for business. Stories without measurable business KPIs are anchors. They create design and tech debt, giving your competitors an edge.
Design SMART: Small, Measurable, Achievable, Relevant, and Time-Bound. Following the SMART model allows you to accurately identify dependencies and time-box your work.
Be effective first, then efficient. Do not overthink going from 0 to 1, 1 to 2, or 3 to 10. You need to experience hand-to-hand combat before you can strategize from the hill.
Obsess over your early adopters. Product-led success depends on the quality and promptness of their feedback. Make it easy for them to provide feedback, have their voice heard, and take action.
No dead ends. There should be a true/false story lined up for each story that gets groomed. Start and finish dates from Engineering should be applied to both.
Finish the swing. We will be held accountable for iterating, not just for shipping version 1.0. Getting something out the door is fun, but it's crucial to measure how well that thing did.