To avoid bricking sell your items to other ppl and let them brick it. Then wen tempering is finally addressed u will be riatch.
AT the least sell ur Greater 3s and buy 2s or sell your 2s and buy 1s.
Chance to 
with 4 options twice = about 45% - PC General Discussion - Diablo IV Forums (blizzard.com)
45% with 4 options twice to brick. yikes