Online taxes for digital downloads

Hi Everyone,
Quick question about online taxes.. How do taxes work with digital downloads? I'm in NY and I was looking to purchase someone's website that sells all digital downloaded products only but sells the globally.. Just wondering how does collecting sales tax and VAT work? I've been searching online and was looking for some input on how others handle it. My reading seems like certain states collect taxes and some don't for digital products, do I have to check each state or do I...

Online taxes for digital downloads WordPress ...