How Can I Fix My Ps3, It Wont Let Me Insert a Disc?

i turn on my ps3, and i try inserting a disc, and it just wont let the disc in…any tips suggestions anything helps, i dont want to pay sony 160$

Suggestion:

replace your blue ray if u don't wana pay sony but since you couldn't of thought of that, your most likely going to break your ps3 if u try so just pay the 160 dollars and stop being cheap