I asked my director the same question because I decided that I would order one or two things every time I have a show to help build my kit and she also said Tool Turnabout. She also recommended the citrus press. I also ordered the kitchen spritzer because I know I have seen a lot of recipes...
I know you said that you felt it was too late to make a change but what about saying it was supposed to be one person wins $30...tell them you were thinking of the $30 and typed 3...that would at least cut your losses by $60...I'm new to this but just a thought...personally I wouldn't get upset...