I think a smartphone with a good audio recording app is a convenient option. It's something you always have on hand and can easily transfer the recordings to other devices for storage and editing.
Another great type of story could be the ones where she overcame difficulties during hard times. Maybe there were stories of how she managed to get enough food for the family during a shortage, which would show her resourcefulness and strength.
Grandma herself is often a main character. She tells about her own experiences, so she's right at the center of many of the stories.
Grandma might know best about family history stories. For example, she could tell about how the family overcame difficulties during tough times like the Great Depression. She might also have stories of family traditions, like the special recipe that has been passed down for generations and the story behind it. And she could share stories of the family's immigration journey, if applicable.
Writing down stories by hand in a journal can also be considered a way to record them. This method allows you to be more creative with your writing, add illustrations if you like, and it gives a personal touch. You can then type it out later if you want to share it in a digital format. Also, the act of writing can help you remember the details of the story more vividly.
There's not enough information given to determine exactly who the grandma is. She could be a character specific to the Homestarrunner universe, perhaps related to one of the main characters.
One of the best ways is to use a digital voice recorder. Just start the recorder when your grandparents begin to tell their stories. It's simple and can capture their voices clearly.
Because they are full of wisdom. Grandma has lived a long life and has a lot of experiences. Her stories are like little gems of knowledge passed down through the generations.
The most common moral in grandma's stories was probably 'be kind'. In many of her tales, the characters who were kind-hearted ended up getting rewarded in some way, like finding true love or getting a fortune. For example, in the story of Cinderella, her kindness towards the animals led to them helping her go to the ball.
A desktop computer can be considered as well. It usually has a large monitor, which gives you more screen space to view your manuscript. It also has powerful processing capabilities, which can be useful if you plan to use complex writing software or do a lot of research simultaneously while writing.
Well, grandma probably thinks that telling stories is a wonderful form of entertainment. It allows her to engage with the little ones, see their eyes light up with wonder, and it gives her a chance to be creative and use her imagination. When she tells stories, she might feel like she's creating a special bond with her listeners.