Moving cross country. HELP!

Hi y’all! I’m moving cross country and need ALL the tips on packing my sets. I’ve watched many videos and have tried a few different techniques but I am stressed about this. I have four months to get them all packed and settled. I have over 70 sets. I’m not only paranoid about the sets breaking in transit but also getting lost. I’ve invested a lot of time and money and I cannot realistically transport the sets by myself. I have original boxes and instructions so if it does break it’s not the...