https://www.amazon.com/Olympia-Guillotine-4415-Maximum-Number-15-Sheets/dp/B00TXPKWPG That's what intend ro buy but im sure there are better options my local supplier sell this for 75€ i ll also buy a blender to blend my fruits leftovers with the cardboard, for the leaves you need a leaf blower packed with a shredding functionality i have no idea on this part yet and im pretty sure you shouldn't either we are in rhe midst of summer