Not a good deal. Bought 4 plus shipping for about $100, just from Walmart and bought same for $2.25 (12 per box) each. Definitely not worth spending that much.

Does the beef flavor contain cayenne pepper in the "spices" mix?

These are the ingredients Enriched Flour (Wheat Flour, Niacin, Reduced Iron, Thiamine Mononitrate, Riboflavin, Folic Acid), Palm Oil, Salt, Contains Less than 2% of Autolyzed Yeast Extract, Baker's Yeast Extract, Beef Fat, Caramel Color, Corn Syrup, Dextrin, Disodium Guanylate, Disodium Inosinate, Dried Leek Flake, Garlic Powder, Hydrolyzed Corn Protein, Hydrolyzed Soy Protein, Maltodextrin, Monosodium Glutamate, Onion Powder, Potassium Carbonate, Powdered Beef, Sodium Alginate, Sodium Carbonate, Sodium Tripolyphosphate, Soy Sauce (Wheat, Soybean, Salt, Water), Spice, Sugar, TBHQ (Preservative). I did not see cayenne pepper mentioned.