I leave in Philadelphia and my mom there in Florida Can I be able to by a few things from here with a credit card and my mom pick it up there

Check with your Wal-Mart to be sure.

Yes

Yes... you can . Find the store in your mom's area and she can pick them up

Yes she can as long as you put the store that is close to her , I work at Walmart here in Ocala FL so yes she can

Yea they have in store pickup.

Should be. i know they have store pick up.