hi there,
im using Infinit fashion megastore theme, in the product page, when user change color or variant, the price duplicate itself, this example will explain it better
https://camo.githubusercontent.com/f6c2efef30fd22cee871b79976879e37c7eab8eb/68747470733a2f2f692e6962622e636f2f307272427872432f70726963652e706e67