Comparing with the traditional marketing channels, what are the advantages and disadvantages of direct marketing?

The advantage is direct. Because of the direct, so omit the intermediate links, the cost is much lower, the relative price will be cheaper.... The disadvantage is also direct. Because straight, so you need to develop their own sales channels, the same shampoo, you direct street stalls and placed in Walmart inside the effect is certainly not the same, unless you are Hafei Si 。。。。 Understand?