An old picture frame and a few small cup hooks can be turned into a great place to keep your keys organized. Just remove the glass from the frame and insert the hooks to hang your keys. - 150 Dollar Store Organizing Ideas and Projects for the Entire Home
Another way to save space is by DIYing a shelf for spices in your cabinet.
Keep fruit off the counter. Find a nice wire basket at a discount or office supply store and hang it at the end of an upper cabinet near your kitchen sink. Maybe a little bigger wire basket for potatoes and onions?