Finally, if you're not afraid to make a few basic wood cuts and want to save some dollars, you can also consider these DIY shelving ideas that'll give your kitchen the extra storage space it needs.

MDesign Metal Over Cabinet Kitchen Storage Organizer ($20) ... Simple Houseware Under Sink 2 Tier Expandable Heavy Duty Metal Shelf Organizer Rack ($23, originally $30) ...

Organize your kitchen, bathroom, and more with the Spicy Shelf 3.0 Expandable Spice Shelf ($30). This organizer has enough space for up to 64 different kitchen spices, and it’s strong and sturdy.

Over-the-sink shelves are a great place to house easy-to-reach kitchen soap and sponges. Expandable shelves under the sink can help organize your cleaning supplies.