MiaS
Songster
This is pretty much what I do and have always wondered where in the world people who say build a 3x3' pile of brown and green material actually live. I save leaves to use during the summer but my pile never gets that kind of volume even with a large garden, not all at one time anyway. Mostly I use what I call the 'dump and run' method. Whatever I have at whatever time goes in. Give it a stir once in a while and see what happens. It makes compost eventually and reduces our bagged waste, which DH has to haul.Yup! That's the essential dichotomy of composting all right. BUT in the warm months when you've got grass and clippings galore you can still add carbon-rich paper and cardboard to balance it out. And in the Winter when there's not much that's green growing in the environment you can still add kitchen trimmings and waste and also coffee grounds which, tho brown, are nitrogen-rich "green" compostingly speaking.
Check local coffee shops (including the ones installed in grocery stores). They sometimes bag up their spent grounds and leave 4-5 pound bags for those of us who compost to help ourselves to. If you make friends with the produce manager they might save what they pull off the outside of lettuce heads, etc. That stuff can really come in handy during the colder months.
I think it's best not to get too wound up in the ratios every time you add things. It's fine for things to balance out over the period of time that you're turning and mixing your ingredients.
I, personally, don't fuss with it at all. I throw everything into huge piles and let them sit for as long as a year before I start dismantling them, sorting out what needs to go back on a newer pile and turning the loose smaller bits still decomposing. Lazy, but it works for me since I have 4 huge piles in progress at any given time and, so, plenty of humus that's garden ready.