Got something for the tip/recycling? Salvage what you can to re-use. I salvaged the large, square, clear, thick, heat-proof glass tray from my old and very large microwave oven. Prefectly clean, can be used to put sandwiches and other finger food on if hosting a party. I also kept its metal shelf (metal stuff is normally a no-no inside a microwave; however, mine came with the oven and was meant to be used inside it). Talking of shelves...
...how about saving the oven racks and grill pan from your old, conventional cooker? So many new cookers come with only one shelf, with extra ones expensive, and, even if the old one(s) won't fit the new, such a shelf can be used as a cooling rack for cakes, etc.
I always cut the flex off defunct electrical appliances at the appliance end to use if I need to replace the flex on some or other one. Be careful, though: if the plug is a rewireable one, take it off; if it's a plug moulded on to the flex, take out the fuse, so, if someone were to plug it in, the line (live) wire would not be energised.
When grilling using a grill pan, put a few millimetres of water in the bottom. That way, any fat that drips down from the meat, etc you're grilling will hit the water and not the bottom of the pan, in which case it would sizzle and give off nasty smoke. Be careful when handling the pan when there's water in it, though, as it will be slightly less stable as the water sloshes from side to side.
Scotch eggs! Yes; who doesn't like a Scotch egg? But wait... although I've never seen it stated on any packaging, you can heat them up in a conventional oven. Pre-heat the oven on gas mark seven, or whatever the electric equivalent is, then allow the delicacy to cook on a metal baking sheet on the middle shelf for about fifteen minutes. And there you have it: a super-delicious, hot and steamy Scotch egg, fabulously crispy on the outside, the sausage meat soft and juicy on the inside! Oh, and the actual egg is just as fab, too. What more could you possibly want? Honestly, dreams are made of this.