Congrats on your project. Sorry to see it end for now, but props for being committed to the process. So many Goodwills are thinning out on their housewares/electronics to focus on clothes, so I enjoyed seeing the thrill of the hunt with your series.
FedEx is usually cheaper than USPS for larger/heavier shipments.
Speaking of Tony Robbins, check out a HUGE Tony Robbins haul I found last year with some Star Wars stuff...
Oh man, what a freaking haul! How that much sealed TR stuff can end up at the thrift store is just crazy to me. So much obvious money there :D