Please refer this link to know about the Amazon policy's

https://sellercentral.amazon.in/gp/help/external/G1791?language=en_IN

Though estimated costs for all of those vary, depending on how many of the components you can manage well yourself, at a minimum you can expect to pay $20,000 to professionally formulate your beverage, and perhaps another $80,000 for your first, relatively small production run.

world market for opportunities to diversify products, markets and suppliers, and trade support institutions (TSIs) setting priorities in terms of trade promotion, sectoral performance, partner countries and trade development strategies must have detailed statistical information on international trade flows in order to utilize resources effectively.

Start your own clothing line.
Launch a dropshipping store.
Sell your art online.
Become a freelance writer, designer or developer.
Teach an online course.
Flip your thrift store finds.
Publish your own book.
Start a blog.

Go to WooCommerce > Settings > Fees and Discounts > User Role Pricing.
In the Role Price Fields section, enter the roles that will need specific prices. ...
Save the settings.
Go to your product and enter the prices for each role.

For more information, please check the below link

https://pluginrepublic.com/set-prices-user-role-woocommerce/