Tools Everyone Should Own + Tool Tutorials by Pretty Handy Girl -- I've followed Pretty Handy Girl for many years. She gives clear and safety-conscious advice for DIY, for anyone, but esp. for women if they are the least bit hesitant to use certain tools.
Peg Board Slides. Use peg board slides to store your tools vertically under the counter. Those small holes allow you to select specific areas for each hook or basket and ensure you have enough room for each item.