The Galaxy Note 9 is currently the most expensive Samsung smartphone, but that's likely to change next month when the South Korean company will reveal its new Galaxy S10 series. Even though customers in the United States can grab the phone for less than $700, they are either forced to commit to a long-term contract with local carriers or trade-in their older smartphones and hope to get a good price.

If you don't fancy any of the two options, you can buy a Galaxy Note 9 for much less than its retail price from Amazon. The U.S. retailer now offers the unlocked Galaxy Note 9 for $245 off, a ...