While the bathroom can be one of, if not the most, expensive rooms in the home to renovate, it's really about making choices that don't cost you an arm and a leg. There are many ways to get around the expense of the bathroom, provided you plan cleverly and put in the effort yourself.Look over these ideas for remodeling your bathroom on a tight budget.efurbish wood cabinets. Sand the wood on your existing cabinets and stain it, or sand the wood and repaint it with a color that complements the bathroom walls. Be sure to use waterproof latex paint and consider using white paint.