Need roof repair? I live in northern ms. this previous weekend I had a...

I live in northern ms. this previous weekend I had a tree fall down on the back slither of my home, it cracked the board on the side of the house, and messed up a few shingles and was told it cracked a glimmer board under the shingles, I get an estimate for 700-800 is this a decent price ?
Answers:    sounds plausible. Would get a second feelings myself. make sure repair being is licensed and insured
Well it ain't indecent