Keep Ber for Infinity, and convert it into Jah only when Jah completes your chosen recipe: in Diablo 4 Season 15, that conversion consumes two Ber and one Grand Sapphire. Enigma still needs another Ber alongside Jah and Ith, so converting your last two Ber leaves its recipe unfinished. Treat any budget associated with D4 Gold as a separate planning decision from allocating your crafting...