It's the Holidays. He won't be tuning anything. If you need a retune to fix your car label it as urgent. Otherwise hold off on your upgrades. People also need to relax and see their families.
Black Friday - Christmas is always crazy, if you need something right away just email customersupport@badnewsracing.net with "URGENT" in the subject line and you'll get a reply fast. Please do not abuse it though, it's really only for actual urgent issues.