One of the most rewarding, inexpensive, under-used, and effective methods of marketing is to tie in your marketing efforts with the efforts of others.The cost of acquiring a new client or customer is enormous. The average business will spend thousands of dollars in marketing, sales, and advertising to build goodwill and develop loyal clients or customers. Most businesses spend their marketing dollars to reach a large audience, and yet they're only going to get a small fraction of this audience.B.