I haven't bought any carbon arrows for 2 years now.....caught them on sale and I'm up to about 24 now and I've only lost 1 arrow last year because I shot a nice young Buck and it did a complete passthru and I'm affraid to use it again so when I get the deer mounted I'm going to hang the arrow on the deer racks as a souvenier!
When I do buy arrows they go on sale for about $3.00 to $4.00 a piece so I buy around 7 arrows ($25.00 with tax) each time and stock up!