The lady in question, Ummmm, lives in Nottingham where, even in areas like Mapperley Park (which is definitely at the upmarket end of the city), property prices are a lot lower than they are in London. (The are some guideline prices, from 2018, on this page:
https://www.nottinghampost.com/news/property/mapperley-park-youre-buying-house-172808 )
I agree though that many people (in
all walks of life, including professional footballers, so-called 'celebrities' and even successful business people, who ought to know a thing or two about budgeting) tend to match their lifestyles closely to their incomes, with fixed monthly outgoings (such as mortgages) and who then come a cropper when there's a sudden drop in those incomes because they've spent everything they've earned as it came in and saved nothing at all.