I was wondering if anyone has ever used undercover tourist (suggestion found on mouse savers website) to buy Park Passes? We need 2 adult and 1 child for at least 4 days.
They quoted a 4 day hopper (2 adult, 1 child) with 2 days free for $709 ($244/adult and $211/child), then when I said I didn't need 6 days they suggested we could upgrade to the no expiration option at WDW before we leave if we wanted. Could we do this, really? Even though they were purchased outside of WDW? We were quoted for 4 day hopper within our room package for $870. With over a $100 difference, it just seems too good to be true.
I am confused...are these tickets REAL? What is the catch? Do we have to attend a time share speal or something? Curious if anyone had purchased similar tickets and since the two extra days are "free", would those be included in the upgrade if we decided to do that at WDW before we leave?
Any information are appreciated.
They quoted a 4 day hopper (2 adult, 1 child) with 2 days free for $709 ($244/adult and $211/child), then when I said I didn't need 6 days they suggested we could upgrade to the no expiration option at WDW before we leave if we wanted. Could we do this, really? Even though they were purchased outside of WDW? We were quoted for 4 day hopper within our room package for $870. With over a $100 difference, it just seems too good to be true.
I am confused...are these tickets REAL? What is the catch? Do we have to attend a time share speal or something? Curious if anyone had purchased similar tickets and since the two extra days are "free", would those be included in the upgrade if we decided to do that at WDW before we leave?
Any information are appreciated.

Just got back from using them at the Food and Wine fest - they worked great
The paper tickets are made out of a special paper that is very hard to destroy - I have some paper tickets from 3 years ago that look good as new , they still have a couple pluses left on them. I usually stop by the guest services desk and ask for a ticket folder to put my tickets in - it keeps them nice and safe in one spot. I always photo copy the backs of my tickets just incase one is lost - it is much easier to replace if you have all that info. You can ask at the resort to have them added to the plastic room key but I have never had a problem with the paper tickets . They hold up really well. Have fun!!! 
So i guess UT is a big savings!