Mid should join the Alumni Association for all of the benefits you’ll get over your lifetime. You won’t fully understand the value while you’re a mid. You will once you graduate. Seems like a lot of money on I-Day but it is a lifetime membership and you never have to pay again. I haven’t regretted it for a minute.
Lots of families attend the picnic - I think it often sells out. Good opportunity to meet other families. However, there is no pressure/requirement to attend, so if you don’t want to go, then don’t. You can also buy food at Dahlgren Hall or go out in town.