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If you were a junior dev in a big city, your month probably looks like this
Illustrative example. This is an illustrative example, not a real developer. No salary data was collected from an individual. Every figure is hypothetical and exists to show the envelope split.
An illustrative junior developer takes home $5,100 in an expensive city, split into 13 envelopes: $2,100 rent, $450 dining and delivery, $350 student loans, $450 emergency fund, and $240 into a Roth IRA.
The breakdown
| Envelope | Amount |
|---|---|
| 🏠 Rent | $2,100 |
| 💡 Utilities and internet | $160 |
| 🛒 Groceries | $500 |
| 🍜 Dining out and delivery | $450 |
| 🚇 Transit | $130 |
| 📱 Phone | $50 |
| 🎓 Student loans | $350 |
| 💻 Subscriptions and dev tools | $90 |
| 🏋️ Gym | $80 |
| 🎉 Fun | $300 |
| ✈️ Travel fund | $200 |
| 🛡️ Emergency fund | $450 |
| 📈 Roth IRA | $240 |
Total assigned: $5,100 of $5,100 monthly take-home — every dollar has a job.
The setup
The number on the offer letter was the largest number anyone had ever offered you, and then you looked at apartments. $5,100 take-home is genuinely good money that a high-cost city will happily convert into a normal life with an above-average rent line. Nothing is wrong here. It just means the budget cannot coast on the salary being nice, because the salary being nice is exactly what the city priced in.
Where the money actually goes
Rent $2,100, which is 41 percent, plus $160 utilities. Groceries $500, dining and delivery $450, transit $130, phone $50, gym $80, subscriptions and tools $90. Loans take $350. Fun $300, travel $200. Then the future: $450 emergency fund and $240 to a Roth IRA. Thirteen envelopes, summing to exactly $5,100.
The envelope that always blows up
Delivery. When you are salaried, tired, and live somewhere with 400 restaurants inside a fifteen-minute radius, $450 disappears fast. The real number is worse than the menu prices suggest once you add service fees, delivery fees, and tip, which together can turn a $19 dinner into $31 without a single additional bite of food. Three of those a week and the envelope does not make it to the 20th.
How to fix it
Split it into $250 for going out and $200 for delivery, then look at the delivery number before you order. Most people cut it by a third just from seeing it. Then take whatever you save and push it into the Roth envelope, because at this income the difference between a good decade and a mediocre one is mostly the amount you automate before you notice it is gone.
Common questions
Is 41 percent of take-home on rent too much?
It is above the commonly cited 30 percent guideline, which is normal and often unavoidable in expensive cities. It works here only because there is no car payment and transit is $130. Trade one large fixed cost for another and the budget stays honest.
Should I max my Roth IRA instead of saving cash?
Usually you want a functional emergency fund first, because selling investments during a bad month is how a small problem becomes a permanent one. This split does both at once, which is slower on each but safer overall.
Is this a real developer's budget?
No. It is fictional. There is no real person, no real offer letter, and no testimonial involved.
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