sometimes you don’t get into “the show” without a ticket.
and having the guys and their families show up should not diminish your supplies.
in short, visitors should bring their own “stuff” to get them thru whatever time period you announce (long in advance) needs to be met.
for example, one handgun, one long gun, one “working” knife (Spyderco to K-Bar as an example. while they are nice, a Leatherman or SAK is not what i have in mind here… but those are nice additions. a steak knife… not so good, a machete might not be the tool you want to wear all day., ammo and mags for the firearms (can define qtys) and gear to support them (cleaning gear, web gear, sling, holster, Camelbak, etc.) food for 30, to 90 days, 7 changes of clothes (seasonal), sleep clothes (seasonal), hygiene supplies (be able to shower, shave, wipe your butt, brush your teeth, etc.) individual FAK for each person, plus one group FAK, personal flashlight of 80 to 120 lumens (Surefire or equivalent, a Photon is handy, but not what you want as your ONLY light) AA or 123A batteries for flashlight (avoid AAAs and Cs), holster for flashlight. prescription meds, birth control, bedding, cooking gear (pots, pans, utensils, paper plates, dish soap, seasoning, etc) laundry soap, 2-way FRS or GMRS radios (1 per person), fuel for vehicles and/or generator, etc.
that’s just a quickie list
individual groups may need to refine this. type up/print out the checklist and pre-pack some things and remember to rotate anything with a shelf life… and then do a bug out run to see how long it takes to pack up and get to the destination… then spend a 4 or 4 day weekend making sure that you see how smoothly things do or don’t work.
in some cases, food could be considered communal, which would give the group a better variety. if that’s the case… you’ve gotta trust that someone won’t “cheap out” on what they plan to bring.
food qtys have to be REAL based on what the people who bring it will actually eat, especially if they’re working hard. i.e.: teenage boys eat more than old men or young girls.
with a large enough group, there’s always the chance of having the “problem child” or “whiny bitch”. that could be the person who won’t do any work, uses all the hot water, raids the kitchen, can’t cope with whatever happened, etc. sometimes you can identify the problems well in advance, sometimes they pop up out of the blue.
on the other hand, some people are enough of an asset that they could show up on your doorstep naked, and still be welcomed inside, given food, clothes, tools and weapons and nobody would bitch. because they’d pitch in to work at making things better.
or just tell the people that say they’ll show up at your place that they’re welcome…then reach out and feel how “meaty” their arm is and lick your lips… or say that you’ll always need cannon fodd… umm… “helpers”, or that the brothel will always need fresh “talent”.
but seriously…there’s always the matter of “who’s in charge” while the destination location may belong to one family, someone else may have the tactical experience and they should take over related things when needed. someone else may have professional or institutional food experience and they could take over the kitchen.