Budgeting tips when income drops - 12 months and counting

We are a household of 13 and the budget no longer works. I have read a lot of threads here and could not find my exact situation. I am nervous about falling behind. Did lenders work with you?

Sell things you do not use. I made about $100 from a weekend of listing.

A paper list of bills by due date helped me more than an app. I could see the month at a glance.