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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

At what point does earning more stop being worth it?

13 replies

DancingDaze · 26/06/2026 13:25

Am I missing something here, or does this genuinely not make financial sense?
I’m a single mum with two neurodiverse children (16 and 9) and I’ve been offered a job in London paying £70k.
On paper it sounds like an opportunity I should grab. One of the reasons I’m even considering it is because I’d really like to buy a house one day instead of paying £1,800 a month in private rent. I keep thinking that maybe being on a £70k salary would make getting a mortgage easier.
But when I actually sit down and do the maths, I honestly think I’d have nothing left at the end of the month.
The job isn’t flexible. I’d be commuting to London five days a week and realistically wouldn’t get home until after 8pm most evenings.
Because of that, I’d need someone to collect my 9-year-old from school every weekday, drive them home, make sure both children had dinner, keep an eye on them and stay until about 7pm. I’d probably get home around an hour later.
Before anyone suggests it, my 16-year-old can’t collect the younger one. They go to different schools in completely different directions, and my youngest’s school really isn’t accessible without a car. They also don’t get on well enough for me to leave the younger one in the older one’s care every afternoon.
I’d want to pay whoever looked after them properly because it’s a big responsibility. By the time I’ve paid for childcare, commuting, and the extra tax that comes with earning more, I honestly think there’ll be little or nothing left at the end of the month. I may even end up worse off.
It’s not just the money, either. I’d still be the one doing all the cooking, preparing meals for the next day, laundry, school admin, cleaning and everything else that keeps the house running. I’d just be doing it much later at night after getting home from work, so I’d end up sleeping less. Then I’d probably spend most weekends catching up on everything I hadn’t had time to do during the week instead of actually having a chance to rest or spend quality time with my children.
The alternative is a hybrid role paying around £30-35k. I wouldn’t need childcare, I’d actually see my children during the week, I’d have money left over at the end of the month, and I’d still be able to claim some support because my income would be lower.
This is the bit I can’t get my head around.
Does anyone else feel that once you’re a single parent earning above a certain amount, the combination of tax, childcare and commuting means there’s very little financial incentive to take on a much bigger job?
I completely understand why we pay tax, and I’m not criticising people who receive benefits. I’m just struggling to understand why doubling my salary doesn’t seem to improve my family’s financial position once all the extra costs of working are taken into account.
Has anyone actually been in this situation? Did you take the higher-paid job because of the long-term career prospects and mortgage potential, or did you decide that it simply wasn’t worth sacrificing the time with your children when there was no real financial gain?
I’d really appreciate hearing from people who’ve faced a similar decision.

OP posts:
loveawineloveacrisp · 26/06/2026 13:29

Haven't been in that position but you really have to look at what you'd have left net after all your expenses. I wouldn't want to be doing a job like that as a single parent. What's the point if you won't have any extra money.

whatwouldlilacerullodo · 26/06/2026 13:32

As you said, the 70k salary will make it easier to get a mortgage. It will also help you get a 80k job in the next few months or years.

But you'll pay for childcare, clothes for working, food (ready made food is more expensive than cooking from scratch), etc etc. I thought like you and didn't go back to work full time when DS were little. My friends who did (basically working to pay childcare) now earn much more than me. (I spent time with my kids and I think they benefitted. But my career was screwed).

BatshitIsTheOnlyExplanation · 26/06/2026 13:41

It's not the money that's the problem, it's the logistics. If it was a like for like role, logistics wise, but more money, there probably wouldn't be a point where it would stop being worth it.

BoredZelda · 26/06/2026 13:52

Jeez oh, another “I should just sacrifice my career” post. Where are these coming from?

No, don’t do that if you don’t want to. If you want to take a hit for later and never advance to where you want to, sure take the cheaper job.

khaa2091 · 26/06/2026 13:57

Also a single parent.
It is very difficult for some people to get their head around the fact that generally I am either looking after my child, or paying someone else to do so. My calculation for doing extra work involves knowing that I will need to pay £15 - £20 an hour from my taxed income for any time I am away from home.

FudgeFudy · 26/06/2026 14:00

I’m just struggling to understand why doubling my salary doesn’t seem to improve my family’s financial position once all the extra costs of working are taken into account.

But you've answered your own question. The better paying job (which still isn't amazing for London) comes with two huge additional expenses - commuting and childcare. You'd do well to read the other thread that's ongoing at the moment 'Disillusioned on £150k' (or something like that) - to see the deleterious effect lifestyle creep and crucifying yourself to own the house you want can have nk matter what you earn.

There's no right or wrong answer as unfortunately both courses of action have serious downsides. I would strongly recommend that you look at moving away from London altogether though. I love London so much but no way would I want the lifestyle (or lack of one), you've described.

iniati · 26/06/2026 14:00

As so often with these threads, it's really about location.

I agree that the logistics don't work with your current location - if you will have your kids in different schools miles apart, dependent on a car, long commute into London

But if you moved to a location where your children were at closer schools, there was some public transport etc, it would really set you up better for more financial security long term

No, it isn't easy to move and I know people will say this - but equally being on a low income (and 30s is low as a household), stuck in rented accomodation forever supporting two kids isn't easy either.

ofcolitas · 26/06/2026 14:03

As previous posters have said, it's the logistics that the problem not the money.

Keep looking, maybe a good job closer to home will come up.

Usethoseballsofjellyinyourhead · 26/06/2026 14:07

You also need to weigh up what it will be like in the not-too-distant future as well though.

If the £70k job has the potential to become £80+k in a few years and your kids reach a point where they don't need the same amount of childcare it might be worth it.

It's not just about what you'll earn now but about what earnings you are opening the possibility of in the future.

Circe7 · 26/06/2026 14:17

The tax system really doesn’t work well for high-ish earning single parents. A couple each on £35k would make c. £4,800 between them and get full child benefit. A single parent on £70k will make c.£4,250 and lose most child benefit. And quite possibly have higher expenses due to childcare and needing to outsource to make the job viable.

I wouldn’t do that job in your circumstances. I think the logistics would just be too difficult and stressful and you’d burn out. If one thing goes wrong with your childcare arrangements or train cancellations etc it would fall apart.

Bjorkdidit · 26/06/2026 14:43

The main problem is the high cost of living in London, plus higher taxes, especially above £50k.

You might want to frame your question as 'how much extra do you have to earn for working in London to be worth it'. You could well find that you have a higher disposable income and less commuting time on £50k in a cheaper city than £70k in London.

usererror99 · 26/06/2026 15:32

I’m a lone parent of 3 and yes I’ve consisted this too. My career is very much on hold and I simply can’t take the next step up in terms of job and pay. I do regularly commute into London and the costs are significant, trains overcrowded and never run on time and I constantly have the fear that I’m going to be late home and get childcare fines and then it has a knock on effect on dinner times and the rest of the stuff that needs doing

I currently earn in the region of £70k so I can’t take a step down to £35k financially as I have a huge mortgage and childcare fees which are also more than my mortgage. If I could relocate somewhere cheaper (kids are very embedded in schools) then I would in a heartbeat and then I could take a lower paid job

wrinklycactus · 26/06/2026 16:07

'I’m just struggling to understand why doubling my salary doesn’t seem to improve my family’s financial position once all the extra costs of working are taken into account.'

Well if you're commuting in the £70k job but not the £35k job, that's your answer.

This is not even really about tax - you simply have more outgoings in the higher salary job because you are choosing to work further away from home.

If you doubled your salary with everything else being equal, you would be better off.

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