Amazon Prime offers dozens of members-only benefits. And at $139 a year, you should use as many as you can to get the most out of your subscription

The combined bundle will cost $29.99 per month a nearly 40 percent savings, but is still pricey in what is a crowded market.

Amazon services such as Prime Video and Prime Music. The service currently offers a free trial for new members for 30-days with a cost of $14.99 per month once the trial ends. The New Fall Amazon Audible Deal Is the Best One I've Seen This Year: Get 4 Months for $0.

Prime delivery is moving beyond Amazon.com, and shoppers don't even need to sign in.