Dear mahesmachi_0,
Greetings from team eBay!
We are glad to have you as a part of the eBay INCBT Seller Community. Do note that you can certainly join our seller training programs to know more about the eBay process and its functioning here : https://sellglobal.ebay.in/seller-center/training-sessions/
With regards to the pricing calculations, it would be best that you read through our eBay fees section which will help you get a fair idea on the eBay fee structure basis the category you choose to list on eBay.com. https://sellglobal.ebay.in/seller-center/fee-and-features/
On the custom duties, export laws, applicable taxes, it is suggested that you please connect with your CA (chartered accountant) who would be the best to guide you appropriately.
Regards,
eBay INCBT Team
Do also note that