Example: If destination source charges $3 from it's customer and that product is being sold at $2 on source store, the order which is being posted on source store should get $2 instead of $3.

This can be achieved if the product selector between two stores is SKU. If the SKU on destination and source store matches, it should fetch the price of the SKU on the respective store instead of transferring all amount to source store.

This will also help cutting down the payment gateway commissions which will be helpful for both destination and source stores.

Would love to hear back and discuss this further. Thanks