$1$ pts

The hallmarks of Tesla's vertical integration strategy do not include

fostering closer relationships between Tesla engineering and manufacturing departments to provide greater control over product design.

in$-$house manufacturing of key components and new parts that require frequent updates resulting in a shorter learning curve and more rapid new Tesla vehicle development

research and development and rapid deployments of Tesla's control integration systems $($creating control factors across its entire value chain$).$

investments in a "gigafactory" that manufactures the batteries that are essential for a long$-$lasting Tesla electric vehicle.

a network of dealerships that allows Tesla to sell directly to consumers and handle maintenance needs without relying on third parties that sometimes have competing priorities