If I'm doing anything that I know will be raster, like a painting, I will always do it at 300 dpi and inch dimensions. Usually 11" x 17" which is a typical flyer size, just my preference.
If I'm doing something digitally, I'll usually do it in 1920 x 1080. If I'm going to be vectoring it, it doesn't matter to me what dimensions I use.
Otherwise for just random doodles I'll do whatever size is default and then adjust it as I see fit.
Always an interesting topic!
If I'm doing anything that I know will be raster, like a painting, I will always do it at 300 dpi and inch dimensions. Usually 11" x 17" which is a typical flyer size, just my preference.
If I'm doing something digitally, I'll usually do it in 1920 x 1080. If I'm going to be vectoring it, it doesn't matter to me what dimensions I use.
Otherwise for just random doodles I'll do whatever size is default and then adjust it as I see fit.