There are some exceptions to that rule, of course, but usually the retailer is just the final link in a supply chain that gets a product to a customer. The difference between retailers and wholesalers is that while retailers sell directly to consumers, wholesalers sell their goods to other businesses.

As with any new business, most of your assumptions will be based on industry research and comparing similar stores operating in similar locations. To get an estimate on how much selling space your store must have, divide the planned sales volume by your industry's sales per square foot.

With the online websites emerging as a one-stop destination for all our needs, appliance parts that require replacement can also be found there. However, some limited edition models or old models may not have them available as they can only be bought from the service centers. You should also ensure that the website is genuine.