Everybody in our neighborhood just calls the Roi to come do the job - he’s quite familiar with chainsaw operation. Borrowing an axe might be a better option for you, if you want to finish the job with all your parts intact?
I get nervous around power saws because I’m an untidy desk kind of person. I do have a circular saw but I’m convinced I’m going to lose some appendages to it some day.
My friend has a wood shop with all kinds of death-instruments in it. I can barely step in the room.