Is there a quality difference in the spices/herbs at the supermarket versus spices bought in a set?

There are spice/herbs sets you can purchase at Bed Bath Beyond, Target, and other home/kitchen stores that come with a rack and all the spices you need. How are those compared to the spices/herbs at the supermarket, which costs a lot more if you buy individually?

Produce picks by Michael Marks: Fresh herbs

Produce picks by Michael Marks: Fresh herbs Whether you’re at a farmer’s market or the supermarket, look for fresh herbs, European plums and strawberries.