A:AnswerDifferent counties have different tax rates. Check the tax rate for where you live and then just type in Google search what that percentage is added to 300 dollars. If your tax rate is like where I live in California, it will be about 9%. So $300 with 9% tax rate would be $327.
A:AnswerUnfortunately right now it is almost impossible to find any in stock unless you get lucky. I would recommend following tracker pages on Facebook and Twitter. @Wario64 on Twitter is really really good at posting when websites restock. That's how I found one.