The document discusses various strategies for achieving sustainable competitive advantage (SCA). It defines competitive advantage and discusses approaches like strategic vision, strategic opportunism, and a combined vision-opportunism approach. Porter's generic strategies of low cost, differentiation, and focus are explained. Other approaches like preemptive moves and synergies are also summarized. Specific strategies like quality option, brand building, strategic positioning, and first-mover advantages through innovation are provided as examples. Risks of strategic stubbornness and strategic drift are also highlighted.