Dang, you guys cannot scan all items in the store? Then pack everything already in bags within your cart, and only put the scanner back and pay?

For point 4. Newer devices are very clever and will auto switch when music is playing and of course both devices are turned on.

No there shouldn’t be a consequence. However, most of this is related to server-load.

I don’t know the full details, but part of it:

• In the store you can walk between the books. This takes loads of room. In the Amazon warehouse, this can be veeery cramped.
• The land value of the store is probably mich higher than the Amazon warehouse land.
• They sell much more, so all costs can be shared across a million orders, instead of across just 10 books sold.

Same, can’t wait for Sync