How much would it cost to knock down a wall in a basement?

ok so my mom just bought a house and we have a basement with a small bedroom which im going in...and then we also have on the other side of the wall the wash room but its completely empty where i want to knock down the wall....how much would it cost to knock down the wall and build a new one somewhere else, i also want to possibly add a small walk in closet?? thank you any quesrions emai me at iraiinrawrz@yahoo.com|||before you go knocking down any wall in any part of the house make double sure that it is NOT a load bearing wall. You might wind up with the ceiling falling down on you. Other than that, buy a cheap crowbar and have at it yourself. Its easy and therapeutic.