You need two controllers for this just load up a match and let the player who wants the achievements win just leave the other controller idle, score free kicks, score from a corner, save a penalty,score a penalty, chip the keep, volley scores, scoring of the woodwork etc. Each one of these nets you an achievement so have fun.
If you have an injured player who will be out for too many days you can speed up his recovery by using the player as a sub. When you do this and the player suffers another less serious injury he should heal in under a week.
If you want to slow down a dominant opposing player then use the Man Mark option. This feature assigns a specific defender to shadow an opponent and helps to restrict their influence on the outcome of the game.
Easy way to get money is by selling players you do not need and do not buy players unless free agent get the best sponsor you can example if you are manchester united sell Ryan Giggs and Ji Sung Park because you have got Ronaldo in right midfield and Nani in left also sell Scholes because you have Carrick and Anderson