NOTE / 01Write a shot card you can actually use
Turn a beautiful image into a concrete task.
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Give each card one primary action. Record the shot number, duration, framing, character, setting, and action. Then add camera movement, lighting, and the final state of the shot.
For example: 03 / 4 seconds / character close-up. The traveler stops and looks to the right. The camera stays still; traffic lights blur in the background. The gaze remains rightward at the end, creating a clear connection to the next shot.
After generation, check whether the action fits the duration, whether the first frame contains every necessary element, and whether positions, props, and eyelines connect. Validate with a low-cost test before making the final version.
NOTE / 02Character consistency starts with a fixed identity
Build a reusable character master.
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Keep age, face shape, eyes, hair, and distinguishing features in a fixed section. Put outfit, action, expression, and environment in a shot-specific section. A character ID is an organizational label; it does not make a model remember the person.
Keep a clear character reference and records from multiple angles. Test identity with the same model and settings before changing the outfit or setting. References and seeds can support reproducibility but cannot guarantee consistency across all shots.
Check eye color, hairline, collars, and jewelry. When you spot drift, change the relevant part and record effective settings instead of rewriting the entire prompt every time.
NOTE / 03Budget for the attempts, not just the final clip
Include failures and retries in the estimate.
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Video budget = shots × seconds per shot × average attempts × price per second. Attempts include the first generation: two failed tries followed by a successful third try count as 3.
Calculate images using the total number generated. Convert credit, per-job, or subscription pricing into a comparable rate using your own plan. If that conversion is unreliable, enter the subscription under other project costs and avoid counting it twice.
Local electricity = average whole-system watts ÷ 1000 × hours × electricity price per kWh. Add labor, storage, and depreciation to other costs if needed. Test the crucial shots before committing to a full production.