What are the best tips for applying garage floor primer to ensure a smooth and durable finish?

To apply garage floor primer for a smooth and durable finish, follow these tips:

1. Clean the floor thoroughly to remove dirt and debris.
2. Etch the surface to promote adhesion.
3. Use a high-quality primer specifically designed for garage floors.
4. Apply the primer evenly with a roller or brush.
5. Allow the primer to dry completely before applying any topcoat.