The difference between homemade and a factory outlet produced product can be a few things but the main thing is always measurement. Nothing fits better than a homemade dress. Irrespective of the brand or online store.
Making your clothes fit well is extremely important and makes a major difference to how you look in your clothes. Very few bodies measure the exact standard measurements for any one body size, because there are so many variables to take into account. These include your body proportions, your posture, height, weight and the undergarments that you are wearing. However by measuring yourself accurately you will be able to determine your own personal-body-profile.