I have 4 chainsaws that have not been used for 30 years or so, and the use was not commercial, but by me as a homeowner: ie they are not worn down from over use.
Being not used, they obviously may need some carb tweaking to get them up and running.
The best one that was not used much at all is a 16-inch McCullough Eager Beaver in a nice case: manual and good chain.
Also have a companion Eager Beaver in 14-inch length which is missing the pull starter.
My first chainsaw is a Sears in maybe a 20-inch length, with manual and nice carrying case. Needs blade.
And my final is a Homelite Super 2 in a heavy wooden case.
Selling all four together for $250 hopefully to someone who knows how to tweak them into good running condition.
I am not selling any chainsaw by itself: four or nothing.
And buyer can not futz with the saws at my house to try to get them up and running: take them as "are."