You can get items to shorten the time to find them.
Earth=7 DragonBalls takes 3 days to find one,one wish.
Namek=7 DragonBalls takes 6 days to find one,3 wishes.
Vegeta=7 Dragonballs take 5 day to find one,2 wishes.
Freeza=7 DragonBalls takes 8 days to find one,4 wishes.
Blue Star=No DragonBalls
Terra=7 Dragon Balls takes 10 days to find one,6 wishes
DarkStar=7 Dragon Balls takes 15 days to find one,5 wishes
E-mail me for what you wish for. I shall decide if you can have the wish or not.