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Amazon.com and big box retailers such as Wal-Mart and Target are locked in an all-out war over the collection of sales taxes. And cash-strapped states are also backing changes in sales tax laws in more than a dozen states.
If you're a small ecommerce website, you're relegated to observe the struggle from the sidelines. Nevertheless, the impact of these changes on you could be huge.
You need to stay on top of these developments. Read my article: How the Current Sales Tax War Involving Amazon May Affect All Ecommerce Websites.