The one types of pricing policies are flexible-price policy which is charging customers different prices for the same product or same quantity of products(black i pod v.s white i pod), and the other one is  one-price policy which all the grocery stores use when they don't have sales.

  The six pricing techniques are : 1. promotional pricing (as seen on t.v deals) 2. multiple pricing (Kroger's 10 for $10 sales) 3. prestige pricing (Lexus) 4. price lining (jeans) 5. odd/even pricing ($29.99) 6. Bundle pricing (computer).