Something for BHFisher to consider. I shoot all year a least 3 times a week including winter 3-D shoots. I consider myself a better than average bow shooter and very good at estimating yardage. I have found that in certain situations, as shooting from an open area to a narrow, in the woods shot or snow on the ground may cause a second guessing on yardage. I think that you owe the animal you are hunting a clean, quick kill. When you range the animal with a rangefinder, you have exact yardage and can make an exact shot not estimation or guessing. I have been very fortunate to have harvested some nice animals with a bow. I will not take a chance or questionable shot. I'll leave the animal go by before risking a poor hit. I also long range hunt with the rifle. An accurate rangefinder is a necessity.
Good Hunting...