I prefer the physical copy, that allows more space for me to take screenshots of those moments in the game that I wanna keep forever .-.
The virtual copy isn't bad (I have nintendogs virtual); its with you everywhere you go, so you wont forget the chip, but idk. I jst prefer the physical copy
I like having digital copies of my games because then you don't have to worry about bringing multiple cartridges with you if you're traveling. Also, if you accidentally delete the game (ex. format your system's memory) you can always re-download. If you lose your physical copy, you're sort of out of luck!
I prefer the physical copy. For me, it provides more space since I take a bunch of screenshots and QR codes, and while the physical copy just acts on its own, a digital copy breaks with the 3DS/SD card.
Physical copy is the way to go. You can have the game right there in your hands, meaning you can use it as a collectible. In contrary to losing a physical copy, it can come in handy if your 3DS is lost or broken and you want to buy a new one. Plus it saves memory on your 3DS. And the most important thing of all to me, is that with a physical copy, your game is less likely to corrupt. I've heard that corruptions are common in digital copies.