amazon.com, and you live in washington, where amazon does have a warehouse, you currently do have to pay sales tax. if you live in illinois, though, you do not. so if this bill passes, online retailers will be forced to collect sales tax across the board. by the way, also, shoppers are technically supposed to pay sales tax by declaring their purchases on their tax return, but, of course, most people do not do this. this bill intends to level out the playing field. there are some exemptions. if you re lucky enough to live in a state where that doesn t have sales tax, for example, this will not apply. and businesses making less than $1 million in out of state purchases will also be exempt. wolf? only five states don t have any sales tax. some people are saying this could be a tough law to put into place, zain. why is it so tricky? reporter: well, it is tricky because there are so many different tax rates. so critics are arguing it would be a huge tax burden or burden on small busin