In any one house, on any given day, problems exist.  Home repair  and DIY jobs aren't an unfamiliar activity for homeowners who love to get things done without spending money they don't have. In this post, we'll explore the many problems associated with those oft used (though least thought about) objects in our homes: Doors.  So from fixing scratches and dents, to adjusting mobility and swing, here are 5 DIY repairs for common door problems. 1. Hard to open doors are a headache.  But fixing them is easy. First, check to see if the door is rubbing on the frame. If that's not the problem, adjust the hinges. Try to find the problem by sliding a thin sheet of paper between the door and the jamb, and look for spots that rubbed. It may need shaved down. 2. A rattling frame can rattle the nerves.  As the strike plate sees years...