Plan Billing

Why was I charged $10 for my plan at first, and now it’s $10.53 ?

I’d say it’s sales tax. But you can call customer support to find out.
Call Us
US: +1(800) 656-1918 (24/7)
US: +1(888) 981-8993 (Español - 24/7)
INTL: +1(310) 929-7085 (24/7)