1: Choosing a ripe watermelon can be tricky. Look for a uniform shape and a creamy yellow spot on the bottom.

2: A dull sound when tapped, indicates ripeness. Avoid watermelons with soft spots or blemishes on the skin.

3: Consider the weight of the watermelon - the heavier, the juicier. Opt for a well-rounded fruit with a firm texture.

4: Smell the watermelon - a sweet aroma indicates ripeness. Avoid watermelons with a sour or fermented smell.

5: Check for black or brown spots on the skin, as they indicate overripeness. The color should be vibrant and uniform.

6: Thumping the watermelon should produce a hollow sound for ripeness. Avoid watermelons with a dull or spongy thud.

7: Size matters - choose a watermelon that feels heavy for its size. Larger watermelons tend to have more flesh.

8: Ensure the watermelon has a symmetrical shape with no soft spots. A uniform shape indicates even ripeness throughout.

9: When in doubt, ask a store employee for guidance. Follow these tips to choose the perfect watermelon every time.