I don't put too much effort into bug out gear. I got a small 2 person camper in the driveway. And even without the camper, surviving for a few days is not a big deal unless you are stuck out in freezing cold or NYC. (generally speaking)
I put most of my effort into long term survival preparedness, but I still have some bug out gear on hand.
I keep a cooking bug out pack in an orange ammo box. Got 2 propane cookers with a cylinder in it. One is a stripped down pocket size unit, one is full size.
Also 3 SS cooking cups / drinking mugs, eating utensils, hot bev powders, lighters, sugar, etc., I use it a lot in the winter when I want to cook some soup or hot drinks when skiboarding or snowshoeing.
Keep most of my bug out clothes in my car year round packed away in mesh dividers, nooks and crannies. Gore-TeX, cold survival in gear the winter, some tools, Leatherman Core, compass, pen, paper, L.E.D lights, pepper spray, trekking poles, etc...oh have 3 inflatable Thermarest pillows and pack sink as well. Car had a weather band in it. If I am not in the car have a weather scanner to take. Also have SW world band mini radio.
Bug out food is an easy grab. I keep about a dozen home made low fat high protein muffins in the freezer...grab the bag and have enough things to munch on for a coupe or three days. Also have other ready access foods and lots of bottled water to grab in the house.
Also pack a water filter:
Have many backpacks for different uses. One thing in common with them all is a titanium divers knife mounted on the strap for super easy access...just pull down and it is there.
Also many odds and ends such as pack sink, bivay bag, ENO hammock, bug net for head, roll pile blanket, Thermarest inflatable butt pad, pocket TV (...it will be useless after '09 when digital comes around), Rad D-Tec, face masks, mace and various weapons, bug spray, T.P., 25% alcohol spray and shower adapter with mini hose, faucet keys to fit various hydrants. Wife has her own pack list includes a lady J.
Speaking of backpacks, got a Stihl 192t chainsaw for one pack if needed.
http://www.stihlusa.com/chainsaws/MS192T.htmlSigg fuel bottles carry the gas.
It is a stripped down model and weighs about 7 pounds. It fits in my backpack so I can hike or bike with it.
I took off the anti kickback safety on it to make it fit better and be lighter (not recommended unless you are experienced tree feller...so don't complain if you get hurt by this mod)
Also have a mid size Thermarest pad that is ready in a stuff sack in my house.
Pretty comfy, but if you need more cush go for the Luxury model for more $$
First aid kits? Got many of em from large laptop size for big trips to a mid size in my car to mini packs in my backpacks. All custom made and individualized.
Was on vacation in the USVI and BVI a few years ago. While walking on the beach to photograph a cove with some sailboats I banged my toe into a large rock in the sand. (The Buddhists saying for this..."when one eye is kept on the destination it only leaves one eye left for the journey.")
I hurt my toe pretty bad and had to keep it bandaged throughout the trip as well as when I returned home. It was a real pain in the ass since the dressing was continually getting wet while diving or snorkeling and had to be changed up to 5 times a day. This experience also reminded me of the importance of a good first aid kit (which I luckily had two of with me.)