We are about a month away from deadline day. Here are a few thoughts:
1. With a few exceptions, the top 25 (and perhaps even the top 50) programs have released their acceptances (and waitlists).
2. Prospective student events are taking place now and during the next two weeks. I have already attended a few myself.
Because of 1-2, at this point in time you should not be holding on to 7 acceptances. (I chose 7 because someone on the results page claimed to have this number.) You should absolutely decline a few of those offers asap. If you can honestly tell me that you are considering all 7 offers, then I am extremely disappointed in your lack of preparedness (learning about the programs you are applying to, meeting faculty and graduate students, and learning about the program including financial package) for this application cycle.
For those that have around 3 acceptances. I imagine you are doing your due diligence the next couple of weeks (attending the prospective student event, meeting with faculty, etc.) and should be able to narrow your acceptances down to 2.
For those that have an acceptance and are waitlisted at multiple programs that they would not chose over their acceptance, you should take yourself off the waitlist asap. This action is trivial to you but potentially substantial to others.
If you have 0 acceptances and are on multiple waitlists, I hope you are staying mentally well during this difficult time!
Finally, there are surely cases where it makes sense that someone is holding on to multiple acceptances. However, during the next week, I encourage everyone in this category to spend some time evaluating their acceptances and declining those offers that are realistically not in the running (including waitlists offers). I have spoken to a few of the programs I am waitlisted at and the DOG's state that their has been no movement. Since most of the (ranked) programs have released first round acceptances and some holding prospective events, the time is NOW to get the movement started.