How can a huge chain of stores be out of golds gym 10lb iron plate weights at 6 stores in my area at the same time?

Department store

2701 E Fletcher Ave, Tampa, FL 33612, USA

Department store

6192 Gunn Hwy, Tampa, FL 33625, USA

Department store

8220 N Dale Mabry Hwy, Tampa, FL 33614, USA

Department store

13658 University Plaza St, Tampa, FL 33613, USA

Department store

3661 W Waters Ave, Tampa, FL 33614, USA

Department store

7011 W Waters Ave, Tampa, FL 33634, USA

Department store

1544 N Dale Mabry Hwy, Tampa, FL 33607, USA

Department store

15792 N Dale Mabry Hwy, Tampa, FL 33618, USA