@montezuma
I liked what you were saying until you got to "businesses like newegg and amazon can afford this so they should pay it". (I'm a student in Georgia too) Clearly your education was affected because you never took 2 seconds of econ 101. If anything at all makes a company pay money, income taxes, buying new facilities, buying product/components of a product; the company will label this as a cost then raise the price a bit and pass the "savings" on to the consumer. That's how it works, that's how it always worked. You can't simply expect random companies to randomly eat the added cost of anything and continue the same prices and whatnot too. They won't, they can't.
Besides which, most of that is moot. Sales tax has never been invisible to people. (besides the double taxing on the same transaction, the customer gets to pay taxes on an item, and, hey that seller just made some money selling that thingy. Pay your income tax seller!) It just gets added on during checkout, you see it in the list and pay it. That's how it would be implemented. (and is if said etailer is operating in your state)
As such it isn't a company having to pay it at all that's the problem. It's the fact that customers were using the sites to buy things, including from small sites, to not have to pay that extra amount. It's people not wanting to pay this, or it brining local stores to the same level in some cases, that will cause the volume of business to go down.