Apple mac (Livingston EH54 6)

Hi folks. I know this is a long shot. I am building an app that runs automatic agent based patching and am at the point where I need to test it on MacOS. Needs to have an Apple silicon chip circa 2020 model onwards, however I am too poor to buy a Mac just for testing. I am hoping that some kind soul out there has an old Mac they no longer want. I would be eternally grateful and it would help tremendously with my testing. I don’t care what it looks like, if it is damaged etc etc, just as long as it is working