DH and I are renovating a derelict house.
MIL previously worked in sales, but nothing to do with renovations or household items! Whenever she sees our new lawn mower, curtains, a mat etc- she asks how much!
No, she is not looking to buy similar! DH and I now avoid mentioning we've bought anything and when asked, don't tell her an amount. I've lived in the UK 20yrs, but was born abroad and find her questioning incredibly rude.
Other than F&*k off, any wording you'd use to tell her its rude and irrelevant what we paid?