$1)$ Look into whether Best Buy could benefit from vertical integration, taper integration, or strategic outsourcing

$2)$ Look into the company$$s level of diversification and analyze whether these have enhanced the firm$$s performance. $($Corporate diversification options and types of diversification$)$

$3)$ Also use the BCG Growth$-$Share Matrix to assess any particular Business Units of Best Buy $($Where they are in the BCG growth$-$share matrix and what their strategy should be$)$