Questions about Associated Content..

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so i submitted 6 different articles on my own lately i have been doing their calls for content but this time i submitted 6 of my own of orginization, reasturant review, history of the va witch, guide to visiting orlando fl, and an interview with an AC producer and they denied all for upfront payment but they want me to resubmit for preformance payments. my question is if you submit an article on you own do they pay up front payment any more if you don't write from content calls??