Buying a ready-to-wear dress is a great option for brides with smaller budgets and last minute shoppers. However, it is rare to find a perfectly fitting wedding dress purchased off-the-rack. Standard clothing sizes are just a guide. With careful, considered alterations by an experienced dressmaker your ready-to-wear dress will fit perfectly.
My advice to those buying ready-to-wear, is to anticipate the necessary alterations, find out the approximate cost for those alterations and allow for this in your budget.
It is recommended that you bring your dress for alterations at least a month before your wedding, but if your dress features intricate details, lace and beading more time may be needed.