Finish the following sentence with the best choice: how to get cheap textbooks

Choices:
- go to amazon.com and if they have the textbook, then buy it as it is the best site for textbooks by far.
- go to amazon.com and search for your textbook, and check other sites for competing prices, such as ebay.

Answer:
go to amazon.com and search for your textbook, and check other sites for competing prices, such as ebay.