Sales tax is so byzantine its ridiculous a company like Avalara gets to get rich solving an artificial problem. For example, NJ, which is generally one of the simpler sales tax states (generally 7 rip off % across the board) if I implement or train on ERP software, that's not taxable. If I pop the hood of your PC and pop in a hard drive or help you with your server, technically that's taxable. For some reason, work that is considered 'professional' isn't usually taxable, but '99%er' work like hardware, plumbing, electrician etc is considered taxable. Oddly, programming (with legalize from the late 1960's) is taxable. So should I tax a client when I'm doing Crystal reports? Is scripting taxable? Have we gone insane?