Who are you? What will you be wearing? Mark URLs, bring photos, take a look at patterns, and have an idea of what character or type of garment you want. Gallery
You want it to fit, don't you? The key is to take measurements while wearing the undergarments and shoes that you will be wearing with the finished garment. Wear your corset, pettiskirts, bloomers, hoopskirt, bumroll, platform shoes, etc., while you are taking measurements. Measurement Chart
Take the information you gathered, put it in an email, and request a costume.