this requires 1 ps3 2 accounts
step1. make your first account and go onto fifa ultimate team to get your bronze pack.
step2. now logg into your second account on yor ps3 and get your bronze pack on that one.
step2.1 logg into the fifa web app
step3. discard everything on your 2nd accound around 400-500 coins ...
step4. now on the web app put a player for sale and search on your ps3 ... buy him and u have coins on your web app
step5. keep repeating untill you become rich
hope it helps and dont forget to thank