Help!! Split ends 😩😩

So my hair is medium long last time i cut it was with a normal pair of scissors i know! Im not supposed to but i did nd so i cutted my own split ends nd came out not that bad but now i got split ends again nd it wont grow  md i dont wanna cut it cuz i want me hair long 😩😩 anyone have a suggestion on how to get rid of them nd how to keep my hair growing? or should i just go get a haircut from a proffesional!!