We basically help you to import product from AliExpress only, then you can edit the product price/variants/image/information.
Also, we help you to fulfill your order's information in order to help you not be time consuming with your fulfillment.
For Payment step:
1. Free users: please add your card information and confirm the payment by yourself.
2. Premium users: we provide Automated Payment function to help you save more times for fulfillment. You have to add card to your account in advance and our app will help you confirm the payment automatically.
In case you have any questions regard payment process/issue, please feel free to contact AliExpress support team directly.
I hope this might be helpful for you !
If you need some more helps, please let us know via our live chat or email us at firstname.lastname@example.org