You're not anywhere near south-central Indiana, are you? I'd be more than happy to lend a hand if you're close.
Techstream really isn't bad once you get rolling - this is the exact cable I got & use with the VM in the "Techstream in 5 minutes" thread: https://www.amazon.com/dp/B07JYSPBGT?ref=ppx_pop_mob_ap_share
That’s the one I have as well.