Although Bully Sticks will last forever (I guess) because they are dehydrated, they also freeze well. So if you don't want them sitting in your cabinets, you can pop them in the freezer, take them out as needed and even give them as a frozen treat.
I am a big promoter of our YT members - so if you only need a few AMD is a good source.
If you are like me and buy in quantity, then by far Eddieb260 is a fantastic ebayer. He will work with you in regards to special instructions - I ordered some and had them sent to a different address and when I called and talked to him, he has a dreamy voice
Bullysticksonline is also another good source.