You know you can play UT against the computer right? You don't have to play against other online users. Just do this and win the tournaments to build up your coins. After your first tournament win, go and buy a load of long term contracts (about 300 coins for 28 game contracts for gold players) and then you can just keep playing to build up a pot
You won't get enough for someone like Suarez (65k coins) but you can put a pretty good side together.
This, after about a week you can build a nice squad. Plus you start to find some good lower level players. Lacazette is only a 75 overall but he is MONEY for me. I have him over the 83 Cassano and 83 Villa at the moment ( plus he fits better with my mids.)

