I was reading through a lot of posts ans I saw some people saying that they had bad experience tipping with KTTW while on DDP. Seems like they were actually charge for the meal instead of DDP credit beeing used. 
In your opinion, is that something that happens quite often or does it rarely happens but it is reported on the board each and every times it happens.
I think that everyone should watch closely the receipt they are getting to make sure everything is fine, but I can easily understand that you might not catch the mistake at a first glance.
Thanks for you feedbacks.

In your opinion, is that something that happens quite often or does it rarely happens but it is reported on the board each and every times it happens.

I think that everyone should watch closely the receipt they are getting to make sure everything is fine, but I can easily understand that you might not catch the mistake at a first glance.
Thanks for you feedbacks.