but, compare that to the cost of buying one.

they have the largest and lightest (for the volume) cans on the approved canister list. you can also apply the rental charge toward buying the can after the trip.

i bought a weekender and do not regret it. i can always sell it for nearly what i paid.

i do not recommend ursack for the jmt. the bears are BAD. in the rae lakes section, they will sometimes post warnings at the roads end office about the bear who pops lids off bear vaults.