cbengine

I'm already a professional member of cbengine, but I can't find the refund rates of any products at all, and I have sent several emails to the website and received no response. So I would like to ask whether cbengine can check the product refund rates?

Which one does better(realistic) cbgraph or cbengine ? I'm confused for refund rate Vendor ID :mikegeary1 cbengine refund rate : between 5.01% and 15% cbgrapgh refund rate : %52,8 Which reliable ?