If the average price somehow increased to $3, it would be profitable to just crack boxes (and even more profitable than usual because there's no risk or variance, since the basic land is guaranteed in every pack)
Other expensive cards include, not surprisingly, iconic main characters like Sephiroth, Cloud, Lightning, Terra, and Clive, as well as summons like Knights of the Round and Bahamut
Lugia VSTAR SAR S12 Paradigm Trigger SAR Market ~$350-$600 USD (~49,000-85,000) The Paradigm Trigger set closed out the Sword & Shield mainline on a Lugia-focused chase
Incapsula incident ID: 1815000760812947571-675092945503195962
Where to Buy OP-03 JPN Boxes & Singles Buying from Japan gives you access to OP-03 at significantly lower prices than the English market but sourcing matters