Complex sentence: The company has also struggled with more mundane issues in the integration; for example, one can purchase items at a Sears store with a Lands'End gift card but one cannot buy items from Land's End with a Sears gift card.
Split into simpler sentences: The company has also struggled with more mundane issues in the integration. For example, one can purchase items at a Sears store with a Lands'End gift card but one cannot buy items from Land's End with a Sears gift card.