A bridal shop’s inventory typically consists of dresses, shoes, and accessories intended for the mother of the bride (mob), wedding the entourage, and of course the bride.
You can get your inventory straight from the designer or manufacturer. They usually hold fashion shows to display their wares. See to it that you watch these shows so you can select (before others) what dresses and items you want to order and invest on. Aside from fashion shows, you can also scour the web for possible suppliers or make use of catalogs. Keep yourself from buying too much. The trick is to buy just the right amount of items to fill your stock, no more and no less.
The skillset required will be similar to any retail business, but also consider that you will be dealing with people who are amidst a very emotional time and are surrounded by conflicting opinions. In addition to selling the right items to your clients, you may end up having to work as a of sorts - but the results will often be well worth it.
The location of your bridal shop will be crucial to your success, so do your before getting started. You also need understand your inventory costs and pricing, so you may want to avoid purchasing too much inventory to begin with.