Originally Posted by Dwhesh

The first two unused SCs are for free then each subsequent unused SC pays one hour of Add Pay. When I bid reserve I can usually get between 6-8 unused SCs as a IAH 777 FO. Your experience may differ depending on base, fleet and seat. And yes, your pay is blended on reserve.

Originally Posted by Mythbuster

Also remember that reserve guarantee is 73 hours, not 70, so your add pay begins from there. With aggressive pickup of SC's, I think it's a no brainer to expect at least 75 hours of credit a month.