Continuity mistake: The candles on the cake at the party change height a few times during the sequence.
Continuity mistake: After Combo is killed and Skinny leaves the operation, Jesse and Walt are in Saul's office, explain what happened, and they start bickering. From a side angle you see Saul lean forward in his chair as he yells "Guys guys!" to try and stop them. It then cuts to an angle showing Saul from the front and he's suddenly leaning back in his chair, not forward.
Chosen answer: I'm not sure how far you are into the show but he does eventually come up with a way to launder it (wont spoil it for you but rest assured, when he gets a lawyer the show gets much better!) and in the final season he also comes up with a way to give his children his money without the cops or the DA knowing it came from him.
The_Iceman