Is there a limit to how many credit cards I can enroll? December 28, 2015 - by AutoPayPlus With our open enrollment policy you can add as many loans and bills as you like for the first 6 months and only pay convenience fees. Share Leave a comment Cancel replyYou must be logged into post a comment. Previous Post I’m already making biweekly loan payments on one car enrolled in AutoPayPlus™ — can I add my other car too? Next Post When enrolling my credit cards, am I transferring my balance to AutoPayPlus?