When shipping within the same zone (such as a few hours away, or same state), what is the preferred shipping company. I know I can ship UPS ground cheaply and have the package held at the holding center and the package goes out at 4:30pm, and can be picked up at 8am the next day (it's like a really cheap overnight shipping!). I also see a similar program for the USPS, so I was curious in these cases if anyone had any preferences, or companies to stay away from?