Since one of the last updates, the plugin calculates taxes incorrectly, at least in the EU, because the author claims that everything is fine.

So if you use it, make sure you bill correctly ypur clients and make sure you don’t pay too much tax.

No one is helping and answering wordpres.org, support doesn’t exist.

On their website, they only urge you to buy the paid version. It’s not about the $29 anymore, it’s that they broke something and they say it’s ok. And it’s pure math.

Even the premium customer service itself is not polite.