Pain in the neck ( something annoying )

　　Hit the book:

　　Niche

　　Differentiate

　　Hand-knit

　　Size up

　　Portal

　　Strike balance

　　General appeal

　　expertise

　　Find a niche. Knowing what product you want to sell is only part of creating a successful online store. You'll need to figure out what differentiates your services from all the other similar services people can choose, both in person or online. Why should a customer buy your hand-knit sweaters when they have 100 other online shops to choose from?