Pros
The preload shift is great for people how to want an extra job to make around $15/hr loading packages that are not always going to be 2 pounds, sometimes 20 or 50 and even over 100lbs. You don't have to worry about that because they encourage you to know your limits and ask for help when you need it. The benefits are spectacular, you typically get around 3-4 hours of work everyday and are promised 3.5 for 5 days a week. Peak season is spectacular if you like chaos. The best part of the chaos is when everyone works together to get the job down. having that connection is awesome and I loved it. I was promoted to management within 3 weeks of being a preloader. make sure to speak up for your self when working, work hard and don't slack off. Be prepared to wake up very early.
Cons
there is a union, makes workers lazy but keeps things I guess fair.