i got word to remove a row of hedges today. not sure how to get this done. he wants gass planted in their place. they are not very big. probably about a icecream pail(little bigger) base of smaller size branches at the bottom and about 4ft. tall am i going to need a stump grinder? i hope not probablyt about 30 of them and 60-70 ft long oh and i guess what should i charge. never done this kind of work before.