I've emailed him, emailed the store, and DM's him here. This is really disappointing that he has has ripped me off and strung me along for this long. Does anyone have any other ideas on how to get refunded?
Yeah this really sucks, especially for something that was aimed at newcomers to the portablizing scene such as you and I. I had the same issue, posted in Discord, emailed and contacted numerous people via the forums. In the end the only thing I could do was raise a dispute with my credit card company. They were very helpful and were able to do a charge back and I got a full refund this way.
I would recommend doing this if you used a credit card. Short if this I'm afraid it doesn't appear that anyone else can help.