Budgeting tips when income drops, IT help-desk technician here

My income is now a fraction of what it was as an IT help-desk technician and I am trying to cover the essentials. This is my first time dealing with any of this. The rent is fixed and the car payment is high. What helped you?

Thanks for writing this out. I went through something close to it 8 months ago, and it got easier once I kept a simple log of every call and form.