Definitely need to calculate all the risks from the planned event. For example, if you decided that you sing in the transition, remember that there you can always approach those who consider themselves "responsible" for all earning and can talk heart to heart.
In addition, you should abandon the idea of quick money and in that case, if you promised a lot of money, but the path is slightly illegal. You may get more trouble than profit.
Despite the fact that ways to make these fast enough and for the most part spontaneous, do not forget to approach all thought out and balanced. Otherwise, the consequences can be unpredictable.