Complex sentence: In the end, he identifies the test kitchen's preferred brand and demonstrates its key features; for particularly expensive items, he often identifies a "best buy", an item which was ranked highly but is significantly less expensive than the top brand.
Split into simpler sentences: In the end, he identifies the test kitchen's preferred brand and demonstrates its key features. For particularly expensive items, he often identifies a "best buy": an item that was ranked highly but is significantly less expensive than the top brand.