Small businesses looking to take occasional card payments without paying monthly fees now have a third option as Amazon has launched Local Register to compete with Square and PayPal Here – as we predicted last month over on 9to5Mac. The $10 card-reader is currently only compatible with the Samsung Galaxy S3, S4 and S5, along with the Kindle Fire HD and HDX tablets, but more devices are expected to be added.

Amazon is undercutting both competitor services with a flat fee of 2.5 percent per transaction (vs 2.7 percent for PayPal Here and 2.75 percent for Square). Not enough? Amazon is sweetening the deal with a special introductory rate of 1.75 percent until the end of 2015, and will also credit the $10 cost of the cardreader in full against transaction fees …  expand full story