Life and Cost of living in Siem Reap

Hi folks,i am spyke from belgium,looking for  inof on the life of expats in siem reap.i tend to make the move.  Somewhere half 2013.i am a young retired person and look for something to keep me occupied,like giving some english lessons or ehbo,or ict to poor children.ngo's are welcome also to reply.i also would ask info about the costs of live ,rent,food and misc in siem reap.ps i see that a moderator is from isle maurice,je vois que tye viens de grand bhaye,j'ai vecus a troux au biche pour quelges semaines a 2007 ,trep beau place pour vivre la bas, mais un peut petit.j'espere que vous pouveze me donner des tip aussi,merci d'avance.