Kokatat drysuits must be transported in pink silk bags only. Pet the drysuit nicely upon packing, and whisper sweet nothings to the gaskets. Buy the drysuit some flowers for valentines day, and sprinkle a little champagne on it to. This should get it to last...
Just kidding. Throw that sucker in the bag of gear, no worries. Generally you want to transport it and dry it out with the zipper open. The zipper is bomber, never had any problems with it. Treat the gaskets nicely with 303 regularly and do the normal things you would do for gasket care.
The drysuits will last a long time. I've put 3 solid 70-100 day seasons on mine (I wear mine 95% of my days on the water) and its still going strong. You will have to maintain it. I had the neck and wrist gaskets replaced preventatively last winter to avoid failure during the season. Send it back to kokatat, they'll do a great job and do it cheaper than others. Note that turnaround time is not super quick, so do it on the offseason if you can. When you send it back they can also repair any little pinhole leaks that you get over the years. They plugged about 30 for me, plus a gash in the leg that resulted during a SWR class swim.
Also after a handful of seasons the water repellant on the outside will wear off and water won't bead on the suit anymore. This can lead to mild dampness on the inside of the suit. Do the water repellant treatment for gore tex gear to get the repellant back in action.
Another comment for maintenance is always wear socks if you have the booties, and keep toenails cut. I got a small hole in one of the booties from toenail rubbing. Also if you don't wear socks, the smell of your drysuit booties can kill small mammals.
Be careful about walking around in the drysuit booties alone without protection. I usually go from street shoe, to drysuit leg, to kayak bootie without putting my foot down on the ground. Some folks have a carpet or something to change on. Either way, walking around in the booties will crap them out quicker.
With the proper maintanance and minor car, your suit can last years and years. I have never done anything to the zipper, its been bomber.
Folks without drysuits cringe at the price. 100% of the poeple I have met with drysuits think that they are worth every penny (especially kokatat).