They say a bow is much more efficient running it at near peak weight rather than having the limb bolts all the way out. Say a person is looking for a used women's bow and wants to run in the 38 lbs range and maybe work up to 40 or a bit more for hunting. How bad is it buying 40-50 lbs limbs rather than 30-40lbs? Looking at them new you can get the DW down to 38 -53 lbs actually on the 40-50 lbs limbs and 28-43 lbs on the 30-40 lbs limbs. I would rather have a 30-40 but it sure seems like they are hard to find used. The 40-50 lbs seem much more common. Maybe it isn't as big as deal as I am making it out to be and should just a 40-50 lbs bow and save some money. Thoughts?