For this tx 2e6bc11df57c5565165b8ccfbc9d5f9d3258121152b4ed8c49257f79176c5ca2 you have to pay in advance 0.003 btc for second eab41b8e218119777d53bb1ece1bf10b0412ebbadfb8008f92b1bba3491208ea you have to pay 0.0025 btc as now btc accelerator is no more free.
If you want free the waiting time on antpool can be over 20 days.

If you want the paid version reply. I will not accelerate with paid version if not payment first.