I think the first thing that is very important is that the person taking cuttings to send have to treat them just like they would be if the cuttings are as important to themselves as it is more than likely to the receiver. Which I would like to think is the case for the most part.
Second I think that it is important to make sure that if you are sending cuttings that have not been rooted which has always been the way I have received them and do not mind but like Katsu said and not to ever sound ungrateful to anyone in the past that has sent me cuts but it is a "chance" to grow that strain if you can get them to root. So I think the second most important thing is that when the cuttings are taken that the stems should be left in water for a little longer than normal to make sure that they have for certain absorbed and even up taken water rather than air.
And then I do not have any preferred method wet or dry with ends wrapped etc. But I have had a few of these aqua pods in the past and if you get the good ones they will not leak and if they do it is very little.
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I think they should always be vacuumed sealed as well. Not just because of the security and smell but I do think that removing most of the air and have always thought about if anything adding some extra CO2 into the back somehow but this would only work if you did not have to worry about the smell and security.
One of the last times I received cuts and still to this day I am so very grateful. From one member here I was sent 10 cuts of The White, Agent Orange, Ryhmes with Orange, Pot of Gold (I think) and maybe a different Pheno of Pre 98 Bubba than what I had but I cannot be certain but I know 10 of each up to the Bubba for sure.
When I got them they looked very healthy and fresh in the vacuum sealed packages and like Katsu I like to go straight to work with them no fridge time. Couldn't say which was is better but I have always done what works for me so label whatever I am putting them in which back then was a vermiculite and coco mix and I always use dirt plugs.
I remember even going and buying the big dollar cloning gel where before a 5 dollar plastic jar of hormone from Menards always got cuts to root within 10 days or so occasionally longer but they rooted.
Take them out of bag make a clean new cut and the stems into water like I would if freshly taking them. When I feel had enough time in water or while in water I sometimes trim a couple sets of leaves so the unrooted cutting doesn't have to manage as much foliage, dip in gel and into plug and then into cutting tray with heat mat
Well the shitty thing is all those cuttings that look so healthy and fresh as soon as I made a new cut and scarfed the end of the hull and put in water they went limper that Limp Biscuit and only cuttings I could get to root were a couple maybe only 1 Agent Orange so that sucked bad.
Not long after that I got sent McFly and Bubba Pre 98 for sure and the Bubba rooted but the McFly never had a chance. But these guys know who they are and the last thing I want to sound is ungrateful or complaining because I am certain it was user error. I don't know why they went immediately limp but they did just that quick. Like taking a helium balloon from inside warm to outside they will shrink right up as the cold draws the gas out of them.
I think a big mistake is anxiousness as well checking every day to see if they have rooted. We all probably could be guilty of it at some point in our years. Going forward I will spray the inside of the domes put the tray on the heat mat and leave them covered for at least 10 days before I try to take a peak.
But these Aqua pods are pretty cool. I am sure you all have seen these before?