Is today the day, b?

>everything staged in an abandoned warehouse where I am highly unlikely to be interrupted or easily discovered
>tested rope's load bearing strength multiple times
>hugged and texted the relevant friends and relatives that I love them and that I have taken as many measures as I could to seek treatment for my debilitating cervical spine injury

What precautions am I forgetting? I've botched an attempt before and that was not fun.

Debilitating, often excruciating pain for 2.5 years with no answers after seeing many, many providers and conducting imaging and bloodwork.