How do i determine the buy in amount for freeroll tourns. without a freeroll in my bank?

how do i determine the buy in amount for freeroll tourns. without a freeroll in my bank?

Hi MRGOLF

The freerolls are free, all players can register (even when you have 0 chips on your bank), you not pay a buy-in, no chips nor a ticket, it is free.