[Q] Replacement front glass without replacing display topic

Hi. My LG G2 Mini fall down on pavement. The front glass is break and touch don't work well. Display is ok. Man in GSM service told me that he only changed all set consist of front glass, digitizer and LCD because exchange without LCD is impossible. It's true? I finded on internet cheaper set without LCD than with LCD. If the repair is possible have I try fix it on my own or search qualified person?