Being double charged on web store

Product: Star Wars: Galaxy of Heroes
Platform:iOS
What type of device are you experiencing the issue with? PC
OS Version Windows 10 Pro
Ally Code: (Find it here: http://bit.ly/AllyCode ) 676-268-772
What type of issue do you have? Other
How often does the bug occur? Every time (100%)
Summarize your bug The last two purchases I made on the web store double charged me. One was the Gen Syndulla bundle for which I was charged 29.99 plus tax two times instantly (two separate transactions) and the other was for speed mods at 4.99 plus tax. Customer service stated they could not refund it but instead sent me 4324 crystals. Seeing that I already had over 80k crystals from purchasing the $199 anniversary bundles this wasn't an acceptable answer. I told my bank I was double charged and provided them with the information, and it appears EA is being punitive and punishing me for not allowing them to double charge me?
Steps: How can we find the bug ourselves? I guess buy something from the webstore using MS Edge?
Connection Type
Please select your region North America
Country USA

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The last two purchases I made on the web store double charged me. One was the Gen Syndulla bundle for which I was charged 29.99 plus tax two times instantly (two separate transactions) and the other was for speed mods at 4.99 plus tax. Customer service stated they could not refund it but instead sent me 4324 crystals. Seeing that I already had over 80k crystals from purchasing the $199 anniversary bundles this wasn't an acceptable answer. I told my bank I was double charged and provided them with the information, and it appears EA is being punitive and punishing me for not allowing them to double charge me?

I have not purchased anything from the web store since because I am concerned it will continue to occur. I definitely don't think punishing my account for an EA error is the correct answer.