We do almost the same as Richard. 50/50 mix wet dry for breakfast. Dry out all day.
-1 week, works out to 28 cans, about 20 lb dry, 40-50 lb litter.
-The cat couch and all 9 beds always have someone in them.
-The 2 trees are always inhabited.
-The rest are on our, sorry thier big bed.
-Toys on average there are 30-50 around the house. This ranges from balls, squiggles, mike rings, folded ciggeret packs (yes I have 2 that love the empty packs and will play fetch with them) and what ever is not nailed down.
-Treats 2-3 pouches a week.
-Batteries, under cover mouse and pointer 1-2 sets aweek.
-Filters for the fountains 4-6 a week.