Online shopping

What is the cost of online shopping? The cost to you, the cost to the economy, the "human toll."

I wonder what age group does the most online shopping? And who are they buying from? 
You know I'm a fan of Amazon but I don't think Amazon is everything! Of the times I've looked around, I would say that 30% of the time I can find what I want someplace else for less money. When that happens I have to think about it. If it's only a couple dollars, I'll choose Amazon. If it's $5 or $10+, I'll go to the brick and mortar. 
Do you think Amazon ruined business for the brick and mortar stores? Or was it just technology and it was bound to happen? 
My favorite thing about Amazon is the free shipping. I can't tell you how many times I've backed out of an online order because I thought shipping was just too much. I don't really care about 2 day shipping. 90% of the time I choose no rush shipping anyway. And honestly, of the times I've gone w/2 day shipping, (because I really did need it in 2 days) 2 out of 5 times I don't get it on time! It seems though that the majority of the people who shop on Amazon, do it for the 2 day gratification. 
I like online shopping for a lot of reasons. Mostly, I don't like people, so...
I like getting packages, I like not having to get dressed and get in the car, etc. 
I like window shopping too though. Like, I could shop online at Hobby Lobby but it's way more fun to see everything. And I can't buy clothes or shoes online. I think my fella feels the same way about Lowe's and Home Depot. BUT, sometimes he'll go to one of those and then come home and see if he can find it on Amazon for less.
I wonder if I'll like it when Amazon starts using drones to deliver my packages? Whoa! Can you imagine the implications of THAT?!?!