We have a high income now but have lived in poverty due to illness so tend not to waste much.
My husband walks to work. I wfh or use advance tickets or off peak.
We buy 500g of butter £3.40 Sainsbury and cut it in half (insulated butter dish avoids tubs, lakeland or charity shop). Dairy farmers granddaughter so I hate spread. British too.
Yellow labels into the freezer as and when.
Charity shop or fleebay for clothes or luxury goods. Children do this too!
Cars driven to the end. Learn how to check oil and water.
Dog insurance Puffin £12 per month.
Pay as you go phones, Magpie when updated.
We don't really eat out as I cook well.
Beauty is my profession so it is mates rates but note the following :
Colleges offer cheap haircuts
Ditto beauty services
Revolution cosmetics are made by the same factories as 'top brands'
Aldi face cream is as good as a Clarins
Manucurist kits will give you a salon type finish you can take off with normal remover
Aldi shampoo is as good as Aussie for my curly haired DD
Maybeline blush stick (£4) lasted me two years.
Boots pink face wipes are the best. 3 for two usually.