First things first; there are some requirements for this method
1.You can use this method on your console or on the FIFA 15 Ultimate Team Web app: you don’t need fast hands; although, sharp eyes is the main requirement.
2.You need at least 3.000 coins to use this method. You can try it with less money, but this will probably not work out fine.
There are some things you need to do
1.Visit the transfer market and search for a striker you can afford
2.Check your striker normal card price with the basic chemistry style
3.Look for him with a chemistry style that is really rare.
4.Check the price with his rare chemistry style
5.Buy the normal card on the market and buy a single rare chemistry style card
6.Apply the chemistry style to his normal card.
7.Put him on the transfer market for roughly 6.000 coins.
8.You have made a profit of roughly 2.3 thousand coins after taxes.