We found an error in the contract, making it possible to mint at no cost through a custom script!
The line above specifies mint prices in ether, which translates to MATIC on Polygon.
However the mint function didn’t precise ether, fetching the rates in WEI by default.
1 ether = 1000000000000000000 wei!
This passed code tests, I only found out because I wrote the script and tried.
New launch date will be announced upfront!