If Viagra isn't your bag, maybe damiana leaf is. The Mexican-grown herb's one of many supposed aphrodisiac herbs available at Chakra 4, a shop chock-full of bulk herbs for just about any ailment.

Buying in bulk, whether at a grocery store or a warehouse store like Costco, is a popular method that many people use to save money on food and household necessities. Even though the closest Costco is ...