As a single person consultant, should I incorporate? If so, as an LLC, C-Corp, S-Corp, other?

Your questions implicate both legal and tax issues. From a legal perspective, it would generally be advisable to form some sort of limited...

As you are likely aware, the tax warrant is a document that the Washington Department of Revenue uses to establish the debt of a Washington...

Washington use tax is intended to supplement the retail sales tax by imposing the same tax rate upon the first "use" of property recevied as a gift...