A:AnswerYes you can. The hotspot will serve as a WiFi point to connect your tablet to. Just make sure it’s on and search for it in your WiFi settings on the tablet!
A:AnswerIt appears, the Geek Squad does not handle or repair Apple products. I had to go directly to an Apple store about two years ago for a power plug fix. You can ask them though. Just in case it has changed.
You could just save it to the "cloud" if you have one set up, and upload it to your new Ipad after you set it up.
A:AnswerYes, there are millions of apps on the App Store designed to take advantage of the large display on iPad. Many are designed specifically for drawing or painting digitally. To take full advantage of drawing apps, you may want to use Apple Pencil (sold separately).