thanks everyone for your answers, atm i will be selling for 3.5m ea, it will rise over time, only 10 upgrades in stock for 3.5m ea, when all 10 is gone i will either rise or lower the price, 8 in stock left, i do reserve upgrades, 2 slots gone, 8 more left!!! if your interested go to the account upgrade service and post on my thread.