Prime Day is exclusively for Prime members, but joining is easy. Learn how to sign up for Amazon Prime today and start shopping early deals right away.

A Prime subscription will get you plenty of great savings -- including $1 off each gallon of gas from July 3 to 6.

Starting Tuesday, June 17, Amazon is relaunching its Prime for Young Adults program, and effective immediately, young people ages 18-24 can sign up for a six-month Prime trial for free. After the trial is complete, young folks can access all the perks of Prime membership for 50% off the usual cost.