I tried to completely overhaul my finances in January 2015.

I was going to:

• Track every penny
• Budget perfectly
• Never eat out
• Save 50% of my income
• Invest every month
• Read finance books daily

I lasted 9 days.

It was too much, too extreme, too overwhelming.

Trying to change everything at once doesn’t work.

In 2017, I tried something different. Instead of a complete overhaul, I focused on building one simple money habit at a time.

By the end of 2017:

• I’d saved £3,400
• Built an emergency fund
• Actually stuck to a budget

All because I focused on simple, sustainable habits instead of extreme changes.

This guide shows you the money habits that actually work and actually stick.

Why Money Habits Matter More Than Willpower

You can’t rely on motivation and willpower forever.

Motivation lasts about 2 weeks in January. Then real life happens.

Habits are different.

Once a behaviour becomes automatic, you don’t need motivation. You just do it.

Examples:

Willpower: “I’ll try really hard not to impulse buy this month” Habit: “I’ve deleted all shopping apps, so I can’t impulse buy”

Willpower: “I’ll remember to save money each month” Habit: “£100 automatically transfers to savings on payday”

Willpower: “I’ll try to check my bank balance regularly” Habit: “I check my bank balance every Sunday morning with my coffee”

Habits remove the decision. They make good behaviour automatic.

The 12 Money Habits That Changed My Finances

These aren’t extreme. They’re simple, boring, and sustainable.

That’s why they work.

Habit 1: Check Your Bank Balance Every Sunday

What: Spend 5 minutes every Sunday morning checking your bank balance and upcoming bills.

Why it works:

• You spot problems early
• You stay aware of your finances
• You can’t ignore issues

How to build it:

• Set a phone reminder for Sunday 9am
• Make it part of your Sunday routine (I do it with my morning coffee)
• Takes 5 minutes maximum

My experience: I used to avoid my bank balance for weeks. It was always a nasty surprise.

Now I check every Sunday. No surprises. Always aware. Never accidentally overdraft.

Habit 2: Wait 24 Hours Before Any Purchase Over £20

What: If you want to buy something non-essential over £20, wait 24 hours before buying.

Why it works:

• Stops impulse purchases
• 90% of the time, you won’t want it tomorrow
• Saves hundreds per month

How to build it:

• Screenshot the item or save it for later
• Set a reminder for 24 hours later
• If you still want it, buy it

My experience: This habit alone saved me about £150/month.

I’d see something online, want it desperately, add to basket… then force myself to wait.

Next day? Usually didn’t care anymore.

Habit 3: Automate Your Savings

What: Set up a standing order to transfer money to savings on payday, before you can spend it.

Why it works:

• Removes the decision
• You adjust to having less in your account
• Savings grow automatically

How to build it:

• Open a separate savings account (Marcus, Chase, Chip)
• Set up standing order for payday
• Start with £50-100/month (increase later)

My experience: When I tried to manually save “whatever’s left,” I saved £0.

When I automated £100/month transfers on payday, I saved £1,200 that year without thinking about it.

Habit 4: Meal Plan Every Sunday

What: Spend 20 minutes every Sunday planning the week’s meals and making a shopping list.

Why it works:

• Stops “what’s for dinner?” panic buying
• Reduces food waste
• Saves £40-80/month on food

How to build it:

• Every Sunday afternoon, plan 7 dinners
• Write ingredients needed
• Check what you already have
• Shop Monday with your list

My experience: Without meal planning, I spent £140/week on food (including random purchases and emergency takeaways).

With meal planning, I spend £85/week and waste much less.

Saved £220/month.

Habit 5: Pack Your Lunch the Night Before

What: Make tomorrow’s lunch while you’re cooking dinner or cleaning up after dinner.

Why it works:

• Eliminates “I’ll buy lunch just this once” temptation
• Saves £40-80/month
• Healthier than meal deals

How to build it:

• Make lunch while cooking dinner
• Or pack leftovers from dinner
• Keep it in fridge ready to grab

My experience: I used to buy meal deals 3-4 times/week (£5 each = £60-80/month).

Started packing lunches. Cost about £2/lunch.

Saved £40-60/month.

Habit 6: Unsubscribe from Marketing Emails

What: Unsubscribe from every retail marketing email you receive.

Why it works:

• No temptation in your inbox
• No “flash sales” to tempt you
• Stops impulse buying

How to build it:

• Spend 30 minutes unsubscribing from everything
• When new marketing emails arrive, unsubscribe immediately
• Keep only essential emails (bills, important notifications)

My experience: I was getting 10-15 marketing emails daily from ASOS, Amazon, various shops.

Every email was a temptation to browse and buy.

Unsubscribed from everything. My inbox is now 90% calmer and I buy way less.

Probably saved £50-100/month from impulse purchases.

Habit 7: Delete Shopping Apps

What: Delete Amazon, ASOS, eBay, Vinted, and any shopping apps from your phone.

Why it works:

• Can’t impulse buy if apps aren’t there
• Adds friction to buying process
• Stops mindless browsing

How to build it:

• Delete all shopping apps right now
• If you need to buy something essential, use website on laptop
• Don’t reinstall them

My experience: I used to browse Amazon while watching TV. Mindless scrolling = mindless purchases.

Deleted app. To buy something now, I have to actively go to website on laptop.

That extra friction stops 80% of impulse purchases.

Saved £60-100/month.

Habit 8: Pay Bills on the Day You Get Paid

What: The day your salary arrives, immediately pay all bills and transfer savings.

Why it works:

• Bills are paid before you can spend the money
• No risk of accidentally spending rent money
• Less stressful knowing bills are sorted

How to build it:

• Set up standing orders for everything you can
• For manual payments, do them immediately on payday
• What’s left is yours to spend

My experience: I used to “mean to pay bills” then forget or spend the money accidentally.

Now everything is automatic or done immediately on payday.

Stress levels decreased massively.

Habit 9: Round Up Spare Change

What: Use a round-up app (Moneybox, Chip) that automatically saves your spare change.

Why it works:

• Completely automatic
• You don’t notice small amounts
• Adds up to £30-60/month

How to build it:

• Download Moneybox or Chip app
• Connect bank account
• Let it round up purchases automatically

Example:

• Coffee costs £2.80 → Rounds up to £3.00, saves 20p
• Do this 100 times/month → Saves £20-30/month

My experience: I used Chip for 6 months. It saved £180 total without me noticing.

Not huge amounts, but completely automatic.

Habit 10: Have One No-Spend Day Per Week

What: Pick one day per week (usually weekday) where you spend £0 on anything non-essential.

Why it works:

• Forces you to plan ahead
• Breaks daily spending habits
• Saves £40-80/month

How to build it:

• Pick your day (I chose Tuesdays)
• Pack lunch, make coffee at home, no purchases
• Track your no-spend days

My experience: I chose Tuesdays as my no-spend day.

Packed lunch, made coffee at home, didn’t buy anything.

First few weeks felt weird. Now it’s just what I do on Tuesdays.

Saves about £12-15/week = £50-60/month.

Habit 11: Use Cash for Variable Spending

What: Withdraw cash for weekly spending (food, petrol, misc). When it’s gone, it’s gone.

Why it works:

• Tangible limit (can see money running out)
• Can’t overspend
• Makes you think before buying

How to build it:

• Withdraw £80-100 cash on Monday
• Use it for all variable spending that week
• When it’s gone, wait until next Monday

My experience: With my debit card, I’d spend and not really notice until I checked my balance.

With cash, I can see exactly how much is left. Makes me think before buying random stuff.

Some people love this. Some hate it. Try it for a month and see.

Habit 12: Review Spending Every Month

What: First Sunday of every month, review last month’s spending. What went well? What didn’t?

Why it works:

• Spots problem areas
• Celebrates wins
• Allows you to adjust
• Keeps you accountable

How to build it:

• Set reminder for first Sunday of month
• Spend 15 minutes reviewing bank statements
• Note what went well and what to improve

My experience: This is how I spotted that I was spending £120/month on takeaways.

I hadn’t realised it was that much until I reviewed my spending properly.

Made me aware, which made me change the behaviour.

How to Build Money Habits That Stick

Don’t try to build all 12 habits at once. That’s insane.

The right way:

Month 1: Pick ONE Habit

Choose the easiest one for you to start.

Maybe it’s “check bank balance every Sunday” or “automate savings.”

Focus only on that for the whole month.

Month 2: Add a SECOND Habit

Keep doing habit 1, add habit 2.

Don’t add more. Just two habits.

Month 3: Add a THIRD Habit

Keep doing habits 1 and 2, add habit 3.

Continue…

By month 6, you’ll have 6 solid habits.

By month 12, you’ll have 12 habits that are now automatic.

That’s how you build lasting change.

My Habit-Building Timeline (2017)

Here’s the exact order I built my habits:

January: Automate savings £100/month standing order on payday.

February: Check balance every Sunday Set reminder. Made it part of Sunday routine.

March: Delete shopping apps Deleted Amazon, ASOS, eBay.

April: Unsubscribe from marketing emails Spent 1 hour unsubscribing from everything.

May: 24-hour rule for purchases over £20 Started forcing myself to wait before buying.

June: Meal plan every Sunday 20 minutes planning meals and shopping list.

July: Pack lunch night before Made lunch while cooking dinner.

August: One no-spend day per week Chose Tuesdays. Packed everything needed.

September: Pay bills immediately on payday Automated everything possible.

October: Round-up app Downloaded Chip, let it run.

November: Use cash for variable spending Tried it for a month. It worked for me.

December: Monthly spending review First Sunday of month became review day.

By December, all 12 habits were automatic.

I didn’t think about them anymore. I just did them.

That’s when they become powerful.

What These Habits Actually Saved Me

Let me add up the monthly savings from each habit:

1. Check balance every Sunday: £0 direct savings, but avoided £30-50/month overdraft fees
2. 24-hour rule: £150/month
3. Automate savings: £100/month (forced savings)
4. Meal planning: £220/month (food savings)
5. Pack lunch: £50/month
6. Unsubscribe from emails: £75/month (fewer impulse buys)
7. Delete shopping apps: £80/month
8. Pay bills immediately: £30/month (no late fees)
9. Round-up app: £30/month
10. No-spend Tuesdays: £55/month
11. Cash for spending: £40/month (more aware spending)
12. Monthly review: £0 direct, but keeps everything on track

Total monthly impact: About £350-400/month

(Some habits overlap – meal planning and packing lunch both reduce food costs, etc.)

Over a year: £4,200-4,800

That’s what these simple habits did for my finances in 2020.

Common Mistakes When Building Money Habits

Mistake 1: Trying to Build Too Many at Once

You’ll fail. Focus on one at a time.

Mistake 2: Picking Hard Habits First

Start with the easiest habit for YOU.

Build momentum before tackling harder ones.

Mistake 3: Being Too Extreme

“I’ll never buy anything non-essential ever again!”

That’s not sustainable. Be realistic.

Mistake 4: Giving Up After Breaking It Once

You missed your no-spend Tuesday. So what?

Get back on track next Tuesday. One slip doesn’t matter.

Mistake 5: Not Tracking Progress

Track your habits. Use an app, a notebook, or a calendar.

Seeing streaks motivates you to keep going.

Mistake 6: Not Adjusting What Doesn’t Work

If a habit doesn’t work for you, change it.

No-spend Tuesdays might work better as no-spend Wednesdays for you.

That’s fine. Adjust until it fits your life.

Which Habits Should YOU Start With?

Start with the habit that will have the biggest impact for YOU.

If you’re always in your overdraft: Start with “Check balance every Sunday” and “Pay bills immediately on payday”

If you impulse buy online constantly: Start with “Delete shopping apps” and “24-hour rule for purchases”

If food spending is out of control: Start with “Meal plan every Sunday” and “Pack lunch night before”

If you never save anything: Start with “Automate savings”

If you don’t know where money goes: Start with “Monthly spending review”

Pick the habit that addresses YOUR biggest problem.

Habit Tracking Template

Print this or copy it:

Habit: ________________

Month: ________________

Track daily: 1 ☐ 2 ☐ 3 ☐ 4 ☐ 5 ☐ 6 ☐ 7 ☐ 8 ☐ 9 ☐ 10 ☐ 11 ☐ 12 ☐ 13 ☐ 14 ☐ 15 ☐ 16 ☐ 17 ☐ 18 ☐ 19 ☐ 20 ☐ 21 ☐ 22 ☐ 23 ☐ 24 ☐ 25 ☐ 26 ☐ 27 ☐ 28 ☐ 29 ☐ 30 ☐ 31 ☐

Days completed: __ / 31

What worked well: _______________

What was difficult: _______________

Will I continue next month? ☐ Yes ☐ No

Final Thoughts

Extreme financial overhauls fail.

Simple, sustainable habits succeed.

You don’t need to:

• Track every penny forever
• Never treat yourself
• Live on beans and rice
• Become a budgeting robot

You just need to:

• Build a few simple habits
• One at a time
• That make good financial behaviour automatic

By the end of 2026, you could have 12 solid money habits that have completely transformed your finances.

Not through willpower. Through automatic behaviour.

Start with one. Just one.

Pick the easiest habit for you. Build it for January. Add another in February.

That’s it.

Simple, boring, sustainable habits are what actually work.

Resources:

• Moneybox app (round-up savings): www.moneyboxapp.com
• Chip app (automatic savings): www.getchip.uk
• Money Saving Expert: www.moneysavingexpert.com
• Habit tracking app: www.habitica.com

Last updated: December 2025