At what age is it okay to leave kids home alone?

At what age is it okay to tell ghost stories to kids? Is it healthy to, though?
Is it ok to leave my sleeping baby alone at home?
Is it okay to leave a sleeping baby at home while you run out for a quick errand nearby?
Is it okay for my wife to sleep with her children from previous marriage and leave me alone? How do...
Is anyone homeschooling their kids? Can you please share on your experience and at what age should...
If the entire family is going for a one week holiday, would you leave your helper at home alone or...
My kids love to drink coffee at home ! Is it advisable to let them drink coffee at there age ? My e...