If you are in America, you can also use Paypal. The bank has a checking account.
2. Again, if you are in China, you can't pay for the goods.
It can't be mailed to China. There is no reputable purchasing agency. Buy it at Taobao. Note the registrable version.
4。 But the domestic practice is to download the Kindle for PC to your computer, install it, then use an American agent to surf the Internet, register and buy books (many of which are free), and the books will be automatically downloaded to your computer and then transferred to the Kindle.
5。 Yes, it's best to use wifi, because domestic 3g is of little use. Moreover, wifi can transfer books from the free kindle mailbox, which is very convenient, while 3g costs money.
Registrable products are genuine, unregistered products are defective products and lost parts, without warranty, 3G can't be used, books can't be bought, and firmware can't be upgraded.