And the new unit should have the original install instructions. And owner’s manual.
Professional installers consider these trash and throw them away. Keep them - makes replacing a part much easier.
Lots of people are handier than I am, and may have been able to repair my old appliance that I just wanted to get out of the house. Depending on your trust level in letting people into the house, either facebook or craigslist should bring in some interest. I have given furniture and assorted other household stuff to FB friends, by telling them they could have it for free if they came over and uninstalled or brought the thing out from the basement themselves.
Do you have a smartphone? In this age of Uber and Lyft, the job market tied to the smartphone has grown to be quite diverse. There are apps like Handy where you can put up a quick job and pay to have someone come out to help you. These kinds of apps are kinda localized to large cities so hopefully you fall into that criteria.
If not, you could try putting an add in your local paper. I think they’re pretty cheap.