Are you having special hours/days for senior to shop for necessities like toilet paper? The young ones just run to it, and the shelf is empty before I even get to the isle.

Yes they will be. From March 24 through April 28, Walmart stores will host an hour-long senior shopping event every Tuesday for customers aged 60 and older. This will start one hour before the store opens. https://corporate.walmart.com/newsroom/2020/03/18/latest-walmart-store-changes-to-support-associates-and-customers

Call them I believe along with the new hours they may have sr the 1st hour of opening