Just this year, I learned an important lesson on the necessity of having a chainsaw ready to go. An ice storm hit and trees had people blocked in. The roads were covered with old trees. The local stores all sold out of chainsaws, chains, fuel, and chain oil.
You can see what I have now. A 16 inch chainsaw, a manual sharpening kit for the chain, fuel (expensive, but I like the premixed stuff in a sealed bottle), chain oil, an extra chain, and a small bow saw for backup. And of course, Don’t forget the eye protection.
It is important that you are familiar with you saws and know how to do things like sharpen the chain. You never know what adverse conditions you are going to be working it.
Check the tools section for some cutting tools ideas.