The directions on the bag say to seal them. Not suppose to open and close often. Maybe purchasing the smaller sizes will lessen the open/close factor. The zippers on mine have all been ok on mine. Yes, I transfer an Oz at a time into a jar for my personal stash.
I always save a few stems from harvest in bags in the fridge in case I over dry. Stick a stem in the grove bag, or jar, for 12 hours will moisten the buds back up again and add will more beneficial bacteria to contribute to the cure process. I only use bovida packs to calibrate my hygrometers now days.
I have a stash in jars in my refrigerator that have been curing for 8-9 months now. No pack. The buds are better than most Dispensaries have on hand. Flavor is impeccable at this stage.