Yeah on other forums there is a community Wiki post after the first post which allows any registered user to add content but I don't think DISBoards has that feature. So, the easiest way would be for someone to start a new post that they could edit and update, but it would still fall on that person to own the thread and continually update the first post.
An alternative way might be to use a Wiki or Google Docs (or multiple ones, like having one dedicated to DGC deals and one dedicated to other gift card deals similar to how FoxC63 kept things in separate posts) -- something like that could be maintained by a group of users to have the latest deals and potentially restrict access to edit to only those people who are "trusted" in this thread, so a random anonymous person couldn't come in any either post malicious links or just delete everything. Google Docs (or similar) might be the easiest since we could maintain a similar format to what FoxC63 has today but allow multiple people to edit it?
I previously had declined the idea of owning the thread as I honestly wouldn't be able to do nearly as good of a job as Fox63, she is able to update at least daily sometimes more than that. However, I would be open to the idea of a community of us maintaining a Google Doc that is shared amongst us, allowing us to share the ownership of updates.
@FoxC63 I know you are retiring, but what do you think about this idea? Do you think our lovely DISBoards moderators would be "OK" with us using an external link to store the latest deals? The forum posts could still be the latest and greatest when people find deals and want to share or discuss, but a Google Doc could be the "source of truth" and the first page could change to be the link to the 2 docs. What do you think?