I am also a bit like
@RuthW for bg variability so just go with the flow and make adjustments when I think I need to.
On eating about 100g carb per day, I mainly used a 50/50 balance between basal and bolus
Eating a low carb diet ..about 50 to 60g per day, my basal is a bit more than my bolus dose as a percentage but is more or less the same basal rate as when eating 100g carb