Inquiry Submission By Shattered Essence

I want to visit Cambodia and stay for unknown so far period, do I need to have booked tickets out of Cambodia? Las time I visited Cambodia I had to book and than chancel my ticket out of Cambodia, so that I was allowed to enter country. How do I proceed this time if I don’t want to loose money on refusing from my unwanted booked tickets? I am planing on staying for like half a year – a year, not sure to be honest, and not really into loosing money on booked ones. Thanks a lot!