You can simple not calculed what or how many green it cost as hard stretch normal is 6 % condition can it also be 8% sometimes i know even with run And practice match iTS always difference so i think know iTS not too know how many green it cost. I have make notice how many it cost for fast trainer And iTS About 600-650 green boosters till legend from 5* Max value And another time also fast trainer iTS About 700 green keep also in notice 1/3 of THE green must also be spend to red for recover injuries so iTS About Total 900-1000 packets red And green for one player