Thanks oldog/newtrick. I will question them about it. And BTW, thanks for all your other answers in the other threads about gutters. They were informative and useful to me.
I am replacing my gutters and downspouts. Well... I am paying a contractor to do it so I can have seamless gutters.
However, two 30 foot straight sections of my non-steep roof have fascia that is not vertical. In fact, they are about 15 degrees off vertical. One contractor said I have to...