I'd turn down that one too... It's not just the money, it's a wasted working day. Usually you won't get another load that day, beside that God knows how many empty miles you have to drive for that mini...
I worked with them back in '97 til '99 when I had to quit before going bankrupt.
You do whatever you think it's best for you, maybe they do better now, but I will never recommend 'em to anyone...