Orders by same customer for same item showing different Fedex charges

-- url of the page with the problem -- : ttps://aquacorals.com
-- HikaShop version -- : 3.5.1
-- Joomla version -- : 3.8.12
-- PHP version -- : 7.0.32
-- Browser(s) name and version -- : Firefox 62.0.2
-- Error-message(debug-mod must be tuned on) -- : none

Hello,
We had a customer place an order for an item, twice within 3 minutes. She chose the same item, the same shipping method (Fedex), address was the same, everything. However the amount charged was quite different and was about $15 different.

How is this possible?

Hello,

We can't reproduce your issue on our end so can you send us a temporary back-end access to your website so that we can directly check it ?
We'll also need both order ids to properly check it.

You can send it using our contact form (please, don't forget to attach a link to that thread in your message):
www.hikashop.com/support/contact-us.html

Kind regards,
Mohamed Thelji.

Hello,

Your product variant doesn't seem to existe anymore, so we can't really reproduce it, we'll need step by step instructions to properly test and debug in.

We'll try to reproduce it on our end in the in the meantime.

Kind regards,
Mohamed Thelji.

Hi,
Ya the website owner deleted the variants. Why? I don't know....

Unfortunately it was just a chance that we saw two different shipping charges come through on the same item ordered to the same address. Don't know how to reproduce it unfortunately. Suppose we could sit there and place order after order until we got different responses, but that would most likely not work and be inconclusive.

Hello,

In that case we'll keep on investigating about that issue on our end and if you have more information about that issue, feel free directly contact us so that we can debug it on your end, thank you.

Kind regards,
Mohamed Thelji.