Join Date: Sep 2000
Location: Ottawa, Ontario, Canada
Programs: Aeroplan SE AND 1MM, HHonors Gold, Marriott Bonvoy Platinum , L'Accor Platinum
Posts: 9,580
For those certificates that you can not give away (I suspect that SSWUs should still be easily given away), you might give your surplus certificates to a lounge agent, or to a concierge (which I what I did).