Oh my goodness! I'm having a day! First I get a multitude of surveys that I am not qualified for, then finally get one and it is the DVD survey. I got out of that one quickly, only to get the one on faucets. I, too, completely finished it only to get:

We are sorry, but we are currently experiencing technical difficulties. Thank you for your patience.

They are assuming I still have patience after I just did a complete survey for them without pay.

Finally, I got one on investments which did take me to the Congrats screen.
Whew!