We have a rabbit, our 3rd over the past 27 years or so. I hope we haven't been stingy with the little darlings, but $1000 a year seems steep. What does that include?
We've actually spent more money on this bunny than previous pets - an enclosure so she can run around outside of the cage when we aren't home, toys, tents, etc. We even had a vet visit for a case of snuffles. But $1000? Seems steep, but maybe I'm not adding everything up.
Some of it was one time purchases of a decent sized cage, carrier, water crocks, food crocks, litterpans.
Things to consider: A decent food pellet (like Oxbow); lots of hay (this can be expensive depending how you buy it); toys/replacing toys; 1 regular vet visit (if under 6) or 2 vet visits if older, a year; 1 unplanned/emergency vet visit; litter expenses (can be expensive depending on how you change it and what type you use); bedding material; pet gates, if you are blocking off certain areas with gates; personal medical and grooming supplies; building emergency medical kits for your animals.