50 30 20 budget rule breakdown for personal finance planning

50/30/20 Budget Rule: Does It Actually Work or Is It Just Theory?

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Disclaimer: This article is for educational purposes only and does not constitute financial advice. Investing involves risk, including the potential loss of principal.

The 50/30/20 rule states how you should allocate your after-tax income – 50% for needs, 30% for discretionary spending, and 20% for savings.

Of course, this rule is super simple, so financial advisors and amateur Reddit users tout this rule as gospel.

I gave this rule a fair shot for 6 months and, while I *AM* a huge fan of simplicity, I found the system too complicated, I wasn’t quibbling with this method in an effort to be annoying. I just found the system to be a bit unrealistic.

budget categories needs wants and savings
Budget categories commonly used in the 50 30 20 rule

The rule is supposed to be simple, right?

You spend 50% on needs, 30% on wants, and save 20%. Budgeting just became a hell of a lot easier. No more 20+ categories.

Sure, simple enough.

Warren made this method popular in a book she published, and for good reason – she made a system that’s easy to remember promo a math heavy system.

But after spending into these 3 categories for a while, I realized the system wasn’t as simple as I had initially thought.

The Entire Needs Portion Example Problem: 50% For Neeks

Groceries? Duh? That’s a need.

Should we pay for the car? That’s a need for work.

Internet? Need? I work from home so I definitely need. But if you just use it for Netflix?

See the problem?

Health insurance? Need.

Phone? Need for emergencies but do you need unlimited data?

Utilities? Need but what about the premium cable package?

The categories get blurry fast.

Wants (The 30%)

Eating out, entertainment, hobbies, shopping, subscriptions, vacation savings, gifts for people.

Not being miserable.

Here’s where I got tripped up though. Birthday gift for my mom-is that a want? It feels wrong categorizing “gift for my mom” the same as “impulse bought another houseplant.”

Also gym membership. It’s technically a want, but exercising helps my mental health, which feels like a need? Or am I just justifying?

You see how this gets messy in real life.

Savings (The 20%)

This one’s actually pretty clear. Emergency fund, retirement, house down payment fund.

Anything that’s for future you. No arguments here. Twenty percent to savings. Simple enough.

My Real Numbers (This Is Where Theory Meets Reality)

Take-home pay: $3,400/month

According to the 50/30/20 rule:
– Needs: $1,700
– Wants: $1,020
– Savings: $680

Let me show you my actual attempt at this.
Needs (supposed to be $1,700):
Rent: $1,150

  • Utilities/Internet: $145
  • Groceries: $320
  • Car insurance: $95
  • Gas: $110
  • Phone: $50
  • Minimum credit card payment: $40

Total: $1,910

Wait. That’s already 56%, not 50%.

And I didn’t even include things like renters insurance ($18), or prescriptions ($30 some months), or the fact that my car needed $200 in maintenance last month.

So already, my “needs” are over 50%. Am I supposed to not have a car? Move somewhere cheaper? Sure, maybe eventually, but right now this is reality.

Wants (supposed to be $1,020):

  • Eating out: $240
  • Entertainment: $80
  • Gym: $40
  • Subscriptions: $48
  • Shopping: $180
  • Coffee/treats: $95
  • Random stuff: $120

Total: $803

Actually came in under budget here! Probably because I overspent on needs, which limited wants automatically.

Savings (supposed to be $680):

  • Emergency fund: $250
  • Extra credit card payment: $180
  • Roth IRA: $250

Total: $680

Hit this exactly… by rounding up and pretending I saved $680 when really I saved $650 and am calling it close enough.

What I Gained From Six Months of This

savings jar representing financial goals and money management
Saving money consistently as part of a smart budgeting plan

The Goals and Targets Should Be Seen As Goals

For three months I stopped feeling like I failed if I did not reach 50/30/20 and I instead hit anywhere around 56/24/20.

Being in the general ballpark is highly preferred than having no structure. A friend of mine enforces 60/25/15 and she is good. Another friend somehow gets 45/30/25 done ( she has low rent and roommates).

Using ratios to get splits done is better than having no split ratios at all.

You Should Have A Buffer Of Money

Remember the leading of the structure?

For the sake of money leading to missing of needs and wants I consider it a missing of structure. It’s better to be set to missing than to be preceded by a leading system. Wish why does it not quite taper in blind of $150/month. It is Guarded, papered, and maintained car expenses.

Is It cheating? Yes it is breaking the 50/30/20 rule. But It does work.

Some Months You’ll Fall Behind

The month of July. The Wedding. Travel $400, Gift $30, Outift $60.

The 50/30/20 rule did not stop me. I just went over budget and adjusted the next month.

Life has its ups and downs, and so do the percentages we live by. You can have percentages like 50/40/10. Or 60/20/20. What matters the most is to average out reasonable percentages over longer periods of time.

When 50/30/20 Doesn’t Work At All

If Your Income Is Really Low

There used to be a time when I was only making 2400 a month. I had to spend 75% of that to cover my needs so there was no way I could live by 50%.

Cheapest rent I could find was 900, groceries were 250 , the car was 180, 90 for insurance, 100 for utilities and 45 for phone. 1565 is 65% of of your income that is just spent on the basics. .

50/30/20 rule is for people making middle income. Below that, it doesn’t can’t work.

If You Live Somewhere Expensive

I had a friend who was living in San Francisco, and her rent was 50% of her income. You can’t count living in expensive major cities when applying the rule.

If You Have High Debt Payments

There are 2 types of people when it comes to debt. People who include it in the needs and people who include it in the savings. I’ve always meant it for needs, and I have always put the savings towards debt payments.

The Modified Version That Actually Worked for Me

After 6 months of attempting to hit 50/30/20 exactly, I’ll tell you what I actually do

55/25/20

Accept that my needs are 55%. That’s reality right now. Fighting it only made me feel like I was failing.

Cut wants 25% to make room for the extra 5% in needs.

Keep savings at 20% because that’s non-negotiable. Future me needs that.

Is it perfect? No. But I’ve stuck with it for 4 months now. That’s 4 months longer than any other “perfect” budget I tried.

How to Actually Use This

Start By Calculating Your Real Percentages

Don’t guess. Go look at last month’s spending.

Add up needs, divide by take home. That’s your needs percentage.

Do the same for wants and savings.

You could be at 70/20/10 right now. That’s your starting point. Focus on moving reasonably, not hitting 50/30/20 by next Thursday.

Adjust One Category at a Time

Trying to fix all three at once is too much

  • Month 1: Focus on cutting needs from 70% to 65%.
  • Month 2: Keep needs at 65%; work on getting savings from 10% to 12%.
  • Month 3: Keep those, adjust wants.

Small changes multiply. Getting from 70/20/10 to 55/25/20 is fantastic in just 6 months.

Use Different Accounts

This is what made it stick for me. I have 3 checking accounts (My bank allows me to have multiple free accounts)

Needs account: 55% of my paycheck goes here every month.

Wants account: 25% goes here every month.

Savings account: 20% goes here every month.

When my wants account is empty, I am finished with my wants for the month.

The Truth About This Rule

It’s not magic. It won’t solve it; I don’t make enough money. It won’t fix deep financial issues by itself.

However, it provided me with a framework when I didn’t have any. Having a messy framework is better than no plan.

Some months I hit the goals; some months I don’t. The goal is not perfection; it is to have some structure.

After 6 months of doing this, I’m not at 50/30/20. In great months I’m at 55/25/20. On bad months 58/22/20.

That is progress. I have a system; it isn’t perfect.

Before applying the 50/30/20 budget rule, it helps to understand the fundamentals of Monthly Budget Guide: How to Create One That Won’t Fail in Two Weeks.

The 50/30/20 rule can be effective if you give it some flexibility. Trying to hit it exactly every month is likely to be quite frustrating, leading you to give up.

Think of it more as a guide than a rule. That is what worked for me.

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