Stop in for a cup of coffee

If I were a marketing genius, would I begin selling my new In-n-Out Burger t-shirts at the '23 Winternationals at my new site of sponsorship at Pomona? Or should I begin marketing them before that so the bleachers could be occupied by countless fans wearing my new '23 t-shirts?

View attachment 1716010034
Tastee In and Out since 1955 in Sioux City, Iowa. Still open and family owned.

1668350077820.png