why some people so greedy TT_TT

this is totally pissed me off... how can some people so greedy.. why this happen in suju fandom.. i'm not sure whether they are suju fans or not.. the price already expensive.. but some people did bought the tix & then suddenly sell in in a higher price.. i'm not kidding i really hate that person who did that.. so ashamed to acknowledged they are an ELF...everybody try hard to buy the tix.. the one who really wanna watch suju perform .. but this greedy fella really makes them cry... IF YOU DON'T WANNA GO DON'T BUY IT!!.. GTH TO THOSE PEOPLE!!!