A major fashion faux pas that is that women have is wearing the same clothing or accessory as an individual. If the accessory was expensive or not, both are losing. You will not be tempted to wear the same item in the future. The likelihood of this happening will increase when you shop at local shops.
The most likely time for duplicates to happen is when an event is a memorable one. The women are required to look their best and dress in something that is more costly than the norm. The attractive scarves and shawls they wear are supposed to be distinctive in some way.
However, your budget is not always in line with the expectations. There is no way to find enough money to purchase an expensive item or something exclusive. In the end we are taught to think creatively with the resources we have and the amount we can afford.
When it comes to nightwear, it's quite simple to avoid the dread of wearing the same outfit. If you are in the vicinity and notice someone else wearing the same attire then simply throw it away or put a cashmere scarf or a shawl over it to create an entirely different look. The chance of seeing the same dress and shawl/scarf is extremely rare. The odds will be significantly to your advantage when you buy from the huge selection of these accessories available online.