Maximizing the use of storage space is why storage solutions sell so well. Finding the best way to utilize the big open space under your kitchen sink can be particularly challenging.
Having slide out trays makes it so much easier to store things in the back and still be able to get to them easily. This tutorial from The Family Handyman even goes one better by showing how to build double-decker slide out trays!
There are two trays on the bottom, and two narrower trays that slide out higher up. This way you have room for tall items and even more room for the smaller stuff.
The Family Handyman has a complete set of directions but if you like to watch someone else do it, here’s a video that shows the same process.