In the development of an ecommerce site it is conceivable that there is a roll out plan for your features and product lines. More than likely your initial foray into ecommerce is a microcosm of where you want to be sometime in the future.
When you are selecting domain names for your site it may make sense to consider the future of your site. Is it conceivable that the site will be spit in the future to concentrate on a specific product line or products that meet a specific need?
If, in the planning stages of your site, you have determined there may be a multiplication of webs sites you may want to purchase a suitable domain name now. The cost for the domain in minimal and may provide the assurance you need the site name will be available for you when you are ready to implement the next phase of your marketing plan.
If you do decide to go with a unique domain name you should consider purchasing the domain name with your actual business name in it.
Most people are so used to the phone book where the business can be located through the use of following the business name alphabetically. Dont be surprised if there are those that simply guess that your...