I do loads, DH thinks I'm bonkers but I think even if we we rolling in it I wouldn't want to waste money.
Cook veg in the Oven along with whatever meat is cooking. Just put it in water in a Pyrex dish and it will boil like it was on the hob.
Open oven doors after cooking
Cook two or three things in the oven at a time. Part cook in microwave to save energy on thbgs like jacket potatoes.
Use old baby muslin cloths for tea towels
Old clothes if too scrappy to be passed on are chopped up for dishcloths or used stuffing for draught excluders
Lint from tumble dryer as firelighters
No paper escapes this house. It is shredded and goes on the woodburner
Same for any stick, cardboard or scrap wood.
All food scraps to chickens to save on pellets
All left over food that is still edible is frozen to be used up in next suitable meal, includes dregs of milk, wine, small bits of cheese, lone slice of garlic bread to be whizzed up And used as topping for pasta bake.
Dishwasher tablets are halved or we use half dose powder.
Rain water is collected and used for chickens.
Gosh loads more too