Douche move??

My husband and I have set up and made plans for a tiny vacation. We invited my step mom and her family to join us at an amusement park near her families home town. I found a Facebook page that was giving away free tickets in a contest. I entered in it and she saw I did so she did as well. They were giving away 2 pairs of tickets. We had already put in our hundred for her to order a big family set of tickets at a discount. So she would have 2 free tickets and would it be a douche move for me to ask for my $100 back since she got 4 free tickets and this whole thing was put together by me and my husband in the first place? I’m also the one that set up getting the family pass, she just got them because she’s up in the area.

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