physical buying sources
Amazon Online
Checking Amazon online to see if the Vinyl or CD is available to be order is one option for physical buying.
Artists Website
Artists usually sell merchandise and music on their website. If they have physical copies of the album available order from their store.
Target
Target is known for selling CDs and Vinyls in their electronic section. Target also has an online store and app you can buy physicals and pick up.
Walmart
Walmart has an online and in store physical variety to find vinyls and physical copies.
Music Stores
Find your nearest local store and check if they have physicals. Vinyl stores in your city is also an option.