and in the elevations pissing contest I live in a super flat area and average between 2000-4000 ft/week in between 90-120 miles average.

However, when I upload to garmin connect and enable the 'correction" it cuts it in half most of the time (cdr has said the barometric altimiter is more accurate than the garmin waypoints so I am not sure if the "correction" is actually correct.