I would like to search my inventory for items I have a certain number of, within a range. With a range one would be able to search for exact amount by setting upper and lower bounds equal to each other, but would also be able to search for amounts within a specific range, under a certain amount, and over a certain amount.
Example: I like using or selling clothing items I have more than ten of. A feature such as this would make searching for those items much easier. I also sell resources I have more than 1000 of.