Accumulator is a type of bet in which there are more then once selections and you have significantly better odds if you win the bet you get a big some of money d but most of the time if only one of your selection goes wrong then whole of your bet.can actually loose out and this can significant impact you there are many websites that allow you to have this option but most of the times if you take part in such an betting strategy they lock all of yours take and that is where you have a significant amount of risk even the matches or events with the lowest odds can sometimes turn out significantly in the favour of the weak player and that is why it is match recommended that you should always avoid such options and always go for simple betting options actually indeed to be safe as a player and have chances of winning actually anyways indeed