I used to be a bit of an impulsive clothes shopper, and if I liked it, I'd buy it. Even in Sainsburys there'd be a skirt or pair of jeans in the trolley going through the checkout.
Now, after a house move and retirement I have all my clothes together, not enough storage space and enough to see me out if I lived to be 150! Not only that, I don't have much disposable income. I could use what little I have for days out, meals out, holidays. The cost of all the T shirts, tops, trousers bought here and there for no good reason adds up.
I have no idea what I'd spend on clothes, but I'd think nothing of frittering away (maybe) £50 a month on oddments that caught my eye, that I didn't really need. Big things, like winter coats and nice jackets/suits I don't really need now I'm not working, so no more expense there.
I have made a conscious decision (after a thread on GN) to wear all my good clothes weekly, rather than have lots of things hanging up which only see the light of day on special occasions. I am dressing nicely every single day, (unless a day of gardening, floor-washing, etc, is planned!) and using items I felt too nice for daily wear. My plan is not to buy another piece of clothing until I have worn out what I have.
I am saving quite a lot of money.