Bathroom Design appears so easy. Just make a vision of what you want in the remodeled bathroom, draw the details on paper, and then execute the design. Easy-peasy, lemon squeezy. But remodeling a bathroom is not exactly for amateurs unless the planned revisions involve minor changes like changing the soft furnishings (i.e., curtains and mats) and adding wall hangings for the various odds and ends. You must contact the professionals when major changes are involved lest you become a victim to the following DIY mistakes.