Allowing a Primary Location to a B2C for pick up in store

It would be nice if B2C stores could have a Primary Location option, so that if the customer wanted to pick up an order at the store, they could see the store's address in their address book automatically as a selection for shipping/pickup option.

This would also make sure that state taxes are getting charged to the proper destination address they select.... This is very common for out-of-state clients placing an order and wanting to pick up in our store. It could then properly charge our state tax instead of the out-of-state client's address.

Currently, the only way to add our store's address to a client's address book is to manually add it to their address book on the Pressero backend one by one, and with over 1000 customers, that is not feasible or practical.