You do know that you can purchase directly from the #1 importer of these - Yes?
Cardboard Gold :
https://www.cardboardgold.com/card-saver-1.html
CG states -
"Sold out until September - 7/27/20 Presale is sold out - Pricing for September load is TBA
We expect the shortages to remain through Nov/Dec. We should get caught up by then and prices will normalize. COVID-19 factory delays are up to 5 months"
So having said all of that - How hard can it be for some enterprising someone to make these in United States? Detroit - are ya listening?