I do not understand your shipping failures? I just shipped thirty Bettas from Sandia Park New Mexico (87045) to Harrison Arkansas priority USPS three day delivery; each Betta was in a bag with four ounces of water. The package arrived fine no damage, all fish arrived alive. The shipping box was 14X18X10, lined with one inch Styrofoam and foam pellets top and bottom. I hope everyone understands, all mail and packages are transported by FedEx not the USPS.
If you ship USPS then that is who carries them and us responsible for them. Fed-Ex is an entirely different company and Fed-Ex will not under any circumstances ship eggs. Period. I know because I checked with them. The USPS is the only mailing place that will ship and deliver eggs.
@Deerfield Acres I think a lot of the damage depends on what Post Offices and hubs that they go through. Some people have good/great jobs, sometimes easy work, and just doesn't appreciate it. They want to damage anything and everything and ruin things that make other people happy. So I would imagine that is just what happened to your package.
There have been some that said the conveyors is what does a lot of the damage but you can usually tell the difference in that and what was done in purpose. I would say stab/cut marks was on purpose.