What are the best tips for building a sturdy garage shelf using wood?

To build a sturdy garage shelf using wood, follow these tips:

1. Use high-quality, sturdy wood such as pine or oak.
2. Measure and cut the wood accurately to ensure a precise fit.
3. Use strong fasteners like screws or nails to secure the shelves.
4. Consider adding additional support with brackets or braces for extra stability.
5. Apply a protective finish to the wood to prevent damage from moisture or wear.