Pros
The hourly pay rate is good, access to good health care insurance and some companies provide additional benefits to postal employees (ie discounted phone service). Job is available to anyone with an IQ above room temperature, no felony convictions and drug free urine.
Cons
RCA's are expected to work a lot of hours without compensation. Although starting wages are around $18/hr, after all the free work that is expected it's closer to $12. 10 hour work days are common. Management is clueless and is apparently not capable of posting a weekly work schedule until afternoon on the day before the start of the week. Plan to work a minimum of 6 days/week and frequently 12 or more days in a row. During holiday season it's not unusual to work over 20 days straight. No paid holidays or time off. RCA's are expected to work federal holidays. Trucks are sweat-boxes in the summer and seldom have functioning heaters in cooler weather. It can take 6 to 10 years to become a regular employee. The only time the postal service cares about the employees are when they don't show up for work. Otherwise you're just a piece of meat being fed into the grinder.