Up until mid-to-late January 2015, members had been limited to entering 100 points per week (through mid-to-late March 2017, 75), regardless of the number of codes redeemed per day (before that, the limit was 120 to early January 2014).
From mid-to-late January 2015, participants were subject to a weekly point limit of 100 (this restriction was later reduced to 75 by mid-to-late March 2017), irrespective of how many codes they redeemed each day (prior to that, the weekly cap stood at 120 points until early January 2014).