Prime shipping and streaming service goes from $79 to $99 a

High shipping costs are probably to blame, increase goes into effect April 17.

Raises Prime Subscription Price To $99 A Year - WSJ

$20 Prime hike won't scare off customers

Biz & IT Ars Technica

Solved In 2014, .com considered raising the annual

5 Ways to Avoid Paying $139 for Prime

bumping Prime subscription fee from US$99 to US$119

The number of people who ultimately pay for that 'free

Ars Technica

Raises Free Shipping Minimum