unable to withdraw, scam!!

I joined on the 13th of May, after numerous extra fees, that they don't tell about.I was asked
to fund my wallet with $5000 to get my $5000 payment and did send it. it failed, then they said fund with $6500, I did it, also send it, then it failed again and they said, they will pay half of $6500 and I must pay half, I paid mine, still waiting to hear from them.A lot of excuses and no they just ignore me. then they tell me I must invite people to there telegram group