Forget Prime – Amazon starts 30-minute deliveries to show good things come to those with zero patience

• Amazon is trialing 30-minute deliveries
• They'll be available to Prime and non-Prime members in just two cities
• This may be the ultimate impatience service

Good things come to those who wait...30 minutes. That's the promise of a new Amazon delivery service, the retail giant is trialing in Seattle, Washington, and Philadelphia, Pennsylvania.

Folks living in those bustling cities can score ultra-fast deliveries of necessities like milk, eggs, produce, toothpaste, cosmetics, pet treats, diapers, and over-the-counter medicines.

But wait, there's more. You can also order 30-minute deliveries of less-essential items like electronics, chips, dips, and "seasonal items."

Prime members pay a $3 ...