(Wiki) On August 30, 2016, Jeff Popick (a father of one of the Freedom Kids) sued the Trump campaign for failing to let the group sell CDs at a rally and for canceling their performance in Des Moines, Iowa.The lawsuit was voluntarily dropped on December 13, 2016
There's nothing in Wiki about $2500
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if you use wiki for a source ANYTHING beyond dates, you are screwed. The agreement was $2,500 per appearance plus the right to sell their merchandise with a minimum of two appearances. I remember the whole thing clearly.