head to the setting > shipping. to set up your shipping setting
there are 2 ways to set up shipping for your store
shipping by country And zone.
shipping by zone – we have two shipping zones domestic and international
to add domestic shipping price click on the add shipping method
select flat rate or free shipping. click add
Click on edit and enter the shipping cost you want to charge for domestic shipping.
Shipping by country
select shipping by country from the shipping type options