Glad you found a plan B. I would expect it to be a refurb unit at that price as well, but if so it would say so. Definitely spend the next few days doing your homework on the DJI Go4 app, settings and configuration, calibrating compass & IMU's, etc.
At $39.99 it's a complete steal, and shipped from their US Warehouse. The cheapest I have seen the i6x with the X6B Rx was $42.99 and I bought two for my sons at that price.
Arrrgh. The X8SC has the new version controller with no LCD display and no trim switches. Try short-pressing the right stick. One beep = low rate. Two beeps = high rate.
Congratulations! I hope you enjoy yours as much as I do mine.
I would suggest you don't give up completely on the X8. It doesn't have to be either/or, and you may find that (in high rate) you still can have fun flying it. I have a Syma X5 that I still take out in the front yard frequently and...
I haven't seen much feedback on the S6, but the M5 has been hit-and-miss in terms of quality. For the price, you're in the neighborhood of what you will spend on a DJI Spark. A Parrot Bebop 2 is also an option in that price range, as is the Hubsan H501S. Definitely go read/watch some reviews on...