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You should never block both the top and bottom of your chimney. Proper airflow is essential because the temperature inside the chimney will still fluctuate as your house warms and cools. Moisture can build up without ventilation, leading to dampness in your walls over time. Blocking the top prevents debris and animals from entering, but the chimney still needs air circulation to avoid condensation issues. Allowing the chimney to breathe maintains the health of your home and prevents long-term damage.

No, pest-repellent plants can only reduce the number of pests in your garden—they won’t repel all of them. So, for example, a plant like catnip that repels mosquitoes won’t completely eradicate them from your yard.

It is highly unlikely that fleas will go away on their own without treatment. Female fleas can lay dozens of eggs per day—up to 50—causing their numbers to multiply quickly and spread throughout your home. An adult flea can live for around 100 days or even up to a year as long as it has access to a host, such as a pet or human. Even without a host to feed on, fleas can survive for weeks. Because of their rapid reproduction and resilience, it's best to tackle a flea problem as soon as possible. Hiring an exterminator is recommended to prevent the infestation from worsening.

If you spot a bug in your home that seems very similar to a flea, it’s likely a springtail, which is a tiny jumping insect that can resemble a flea. Unlike fleas, they are not dangerous to humans or animals because they don’t bite. Fleas are smaller than springtails, which is how you can distinguish them.