Well, first of all I'm retired, so finding the time is rarely an issue.
I find Caroline's workouts very energizing. Somehow I always want to do more!
I believe a strong core is absolutely vital, so planks are non-negotiable.
I do 75 to 90 minutes most days, with a rest day every 5 to 8 days. My rest days aren't planned - they just happen when other stuff takes priority.
I could probably challenge myself more with the weights if I did less, but I'm not totally focused on lifting heavy.
At my age, overall fitness, flexibility and balance are my priorities.