I have been coming to this location for a few months and so far no issues at all. It is a full service post office and you can get a lot done in here. Everything is always in stock like boxes, shipping supplies etc. This is one of the bigger Post offices I have seen and it's always very clean inside.
The best time to go is early morning around 8:30 or so, chances are there won't be any lines and your wait time will be short. The employees are always very friendly despite probably being stressed because of the holidays.
When you get to the counter the employees are fast, circle the tracking # for you on the receipt and are polite. This is the closest post office to me and so far no problems at all. 5 stars!