Jenny Acuna, at J.C. Penney with Ricardo Acuna, offered advice after nine years of Black Friday shopping.

"Stay hydrated, wear light clothing -- you don't want to get dizzy. Make sure your stomach is full. Always bring medication because the walking around is tiring. Pop an Advil if you have it, it can be stressful out there. Bring a partner. Leave the kids at home. And always do your homework."