Re: Life expectancy of a crossbow? ( Esp. the limbs)
The only suggested major maintenance are new strings and cables every 3 or so years. One of the largest manufacturers of crossbows told me that if limbs are going to fail, the great majority happen during the first year.
If the limbs fail down the road, and a model and/or parts are no longer available, manufacturers will often credit you something towards a new bow.
I support all hunters, regardless of weapon or technique!