I've never been to buy a camera memory card.
I got my new camera 18 months ago and it has a memory card with it. But while on my trip to Boston, I got worried that it was not working. I charged the camera before I went so I was not expecting any problems. I got concerned when it would not do anything. I was not sure if it had died, wasn't working because of the weather or what. I did not know if I was going to have to purchase a new micro sd card. I just wanted to be sure that my photos weren't lost. But after a night on the charger and taking the battery out and then replacing it, all seemed to be working. And my photos turned out just fine!
That I'd like to see.