ERROR SLOTS to keep you away from winning

Lost lot off money playing Supabets slots and and AGT cash back they say gonna give back is waste off time cause you never win anything with free spins and when you played slots the game suddenly GIVE PROBLEM going up and down so you dont even get straight line .And everytime get free spins with huge bet from credit suppose to get back from AGT games they decline without reason and if get free spins and bet is high you get nothing not even one line or win from it .SUPABETS just take and take! dont give back and the free spins it just to fool you cause you get nothing out off it ....