3.  We like to teach the kids the value of a simple life-style without permanent distraction of advertising and medias

 In high developed countries it is hard to avoid the permanent influence of media and advertising for the kids. Also they will always compare with their school mates and friends about the newest I-pone etc. so it is hard for them not to get treated like strangers or losers the way we raise them as part of a very big family, low budget...