To people who are new to this thread (not just those that posted questions recently, but lurkers and visitors just clicking on the last page first):
There is no "one page" that explains everything. Past techniques for getting deals have been varied, complex, work only for certain people, and/or have a limited life span. What worked for me today, may be too complicated for you, too difficult to bother with, logistically impossible, not worth the time and effort, or just plain things have changed since yesterday and that deal or technique is now dead. There are even things that can go wrong that you never anticipated and you can be out hundreds, possibly thousands of dollars. You can be banned from purchasing at certain stores. Under extreme situations, you can even have the FBI show up at your house asking all sorts of questions. (This last one is rare, but has happened to at least one citizen employing some techniques to the maximum.) I have run into hurdles with all these hiccups, and even some not listed.
Consequently, the regular posters here always recommend you read back a ways before jumping in with both feet or even asking "What's everything I need to know in one post?" We've had some regulars here attempt to keep a synopsis up to date of what's working and what's not, but again, things have been so fluid here it takes near daily updates, and frankly who has the time, and probably more importantly, what's the upside to spoon-feeding the internet your method if they're just going to abuse it to the point where it gets shut down?
So the regulars here keep each other up-to-date with what's still working, what's sort of working, and what's officially borked. Then others will find a way that saves 1% here or 2% here, or somebody's running a sale on X. And again, virtually all good news is short-term - a grocery store promo, an ebay GC sale,
an extra 3% in rebates from a shopping portal.
So my advice is hang in there, don't rush into anything until you understand what you're getting into, feel free to ask questions (although searching the thread to see if the question has already been asked a few times is a nice courtesy), and proceed with caution. The golden days of saving huge amounts on Disney Gift Cards may be over, but there are still ways to save $ on your next vacation.