21. Goji Berries

Goji berries are considered super fruits, packed with high-levels of antioxidants which fight against disease-causing compounds called free-radicals. Because of the large demand for super fruits nowadays, prices of these berries have sky-rocketed globally, with Whole Foods selling the coveted fruit in its dried form for $35 a pound. Before you cough-up the cash for your Goji stash, better check elsewhere for better deals.