Never
Less than 25% of my time spent playing guitar
25 - 50% of my time spent playing guitar
50 - 75% of my time spent playing guitar
More than 75% my time spent playing guitar (100%)
All the time!
I have a stomp under foot Ram's Head, nice pedal. Combine a pedal booster in front of it and it becomes very smooth, all fuzz pedals need to be pushed.