@Poopeepoopee im not sure what affluent world you must live in, but with university being £30+k per child and a house deposit these days nearing £75k, im pretty sure not many people would have circa £315k to dish out between their children.
i went to university, which I paid for, yes my parents paid for driving lessons and my car, but even though my parents are more than comfortable financially at no point would I or did I expect them to give me a house deposit!!!
OP, remember that mumsnet is a bit of a feminist men bashing area and you DH probably hasn’t had a vasectomy not because he’s “hedging his bets” if you spit up, it could purely be because he doesn’t want one. It is not, IMO, purely the man’s responsibility to prevent pregnancy.
you have 3 children, I genuinely don’t think one more will do that much harm, so yes you’ll have an extra mouth to feed, but you’ll get by, everyone always does. I think it depends on what’s truly important to you, the job, the extra money and if you’re planning on buying them all houses then yes it’ll be tight.
I think you have to ask yourself this question and this question alone “can I live with myself if I do this” I’ve seen a lot of posts on here where women don’t realise they can’t, until they’ve gone through the procedure.
don’t feel pressured by anyone, not your partner, not your friends and especially not Mumsnet. Only you can make this decision, only you will know how your head and heart will handle it.
All the best OP. Xx