The point of free comic day is not to read something you're already into, but to try something new, yes Marvel, you have a big movie, yes DC your new movie is impressive too... But it's not like you need any help buying mainstream comics, but how is "free" as an incentive to try out something you don't know you like... Unless you're old and stuck in your - HEY YOU KIDS! GET OFF MY LAWN!
Also it's great shit to hand me down instantly to your nieces and nephews.
Just grab anyone you're related to under ten and take them to free comics day, and then give them 5 bucks to rummage through the quarter bin. Then every one gets ice cream afterwards and all that goo is not dripping on YOUR comics.
It's not like your sister won't let you see her children any more after what happened at Christmas?
Just looked at the calendar.