Authorize.net Protocol Fix
Nathan was able to address and fix our Authorize.net issue when we were beyond hope for finding a solution. Not only that, but he was able to resolve the problem expediently despite the fact that he was forced to work by way of limited network access. (Not his fault, but ours due to server restrictions.) I only wish we had found Nathan sooner - his few hours of expertise would have saved us from 3 months of grief. No question about it, hire Nathan.