I made this mistake at my old restaurant.

Age 20: Worked there while in college. Majority of workers were 18-25ish (which is rare imo). Work ethic was great for most workers. Lots of employees scheduled, 8-9 people in grill area and another 8-9 in drive-thru/front counter during the lunch rush hours. I had a blast but quit after two years and three months to focus on school. Some of the best times in my adult life just having fun with my coworkers and hanging out with them outside of work.

Age 30: Reapplied as a summer job to make some $ before heading back for a post-bachelor's certification. Majority of workers were 30+. Work ethic was almost nonexistent. Fewer employees overall. Lunch rush was horrible with 4-5 people in the grill area and 6-8 in drive-thru/front counter. Scheduling after 7 pm sucked. My scheduled hours were 11am to 7pm. Never clocked out until 8pm because they didn't schedule enough people at night. I lasted two weeks before I put my two weeks notice in.

Thinking about going back to work at McDonald's, part time.

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