Get one on the cheap: you may get really wedding ceremony dresses at sample sales and on eBay. Just remember these are non-returnable, so buyer beware. Be willing to try some much more affordable fabrics too. Remember, your photos are negligence the wedding that continue with you. And also can't identify the difference between $100/yd. satin and $10/yd. sateen.
EBay has more along with items fol