http://www.getloaded.com/load-board-blog/post/Whats-the-Best...
It looks like your wife's friend needs a better broker because all the companies we deal with charge us.
Our shipper won't schedule a truck unless we know that the load is ready due to how steep the fees can be.
When we shipped some equipment to a major trade show, they try to schedule it so that the truckers have a minimum wait but the show will also pay the detention fees back if they were the source of the delay.