Budget Builder

Demo

Click to play with sound.

---
name: Budget Builder
description: Guides users through building a zero-based monthly budget. Use when starting fresh, after an income change, or when spending feels uncontrolled.
---

# Budget Builder

A budget is not a restriction on spending — it is a spending plan made in advance. This skill walks through constructing one that holds up in real life.

## Start With Take-Home Income

Use net income only — the dollars that actually land in the bank. Include all regular sources: salary, side income, rental income. If income varies month to month, use the average of the last three months as the baseline, then adjust upward only when a higher month is confirmed.

## The 50/30/20 Starting Framework

Allocate net income across three buckets as a starting point:
- 50% to needs: rent or mortgage, utilities, groceries, minimum debt payments, insurance, transportation to work.
- 30% to wants: dining out, subscriptions, hobbies, entertainment.
- 20% to savings and extra debt payoff: emergency fund, retirement contributions, accelerated debt payments.

These are starting ratios, not rules. High cost-of-living areas often require 60% or more for needs, which means compressing wants first, then savings temporarily until income grows.

## Zero-Based Balancing

After categorizing, subtract every planned expense from take-home income until the result is zero. Every dollar gets a job. If there is money left over, assign it explicitly — savings, a sinking fund, or extra debt payoff. If spending exceeds income, cut from wants before needs, and from discretionary subscriptions before lifestyle expenses.… install to load the full skill