"Mail Order" is now
1.visit Walmart Website
2. type "Chromebooks" in search bar
3. see lots of great CBs
4. Add one you like to your cart
5. Go to cart and pay for it with credit card
6. They will ask if you want it delivered
7. Say "yes" and they will ask for address... give it to them
8. You will get it that day if in stock
9. You pay $10 or less for delivery

I understand your issues. I will be 83 in a few weeks. But there is nothing simpler.