Thanks for your advice. I don't play the full marks or house pride events at all actually. The two times I got banned were because of this. Both times I wasn't even in the top 10 but each time the person in the first place had an enormous score (like 500 000 points or something) and I guess they banned all the people who were cheating at the same time.
I'm always worried about using the currency hack to skip timers but it's very tempting because those are so frustrating, particularly in the quidditch storyline. From what you're saying it seems that it's relatively safe to skip those. It's just that, after being banned twice, I guess I'm becoming paranoid : I just don't want to start everything again. Besides, because of my disability, it's pretty much the only adventure game that I can play without too many difficulties.
Again thanks for your input.
Vanessa