Tipping a What is a good tip for a plumber is a thoughtful way to show appreciation for their service, especially when they've done an excellent job. While tipping isn't mandatory, it's a common practice for service professionals. Here's a guideline for tipping a plumber:

1. 15% to 20% of the Total Bill: If you're satisfied with the plumber's service, consider tipping around 15% to 20% of the total bill. This range is similar to what you might tip in a restaurant.

2. Base it on Complexity and Quality: You can adjust the tip based on the complexity of the job and the quality of service. If it was a straightforward repair and the plumber was efficient and courteous, a 15% tip may be suitable. For more complex jobs or exceptional service, consider tipping on the higher end of the range.

3. Consider Other Factors: Take into account factors like the plumber's punctuality, professionalism, cleanliness, and how well they explained the issue and the repairs. A job well done and good customer service can warrant a larger tip.

4. Cash or Check: Tipping can be done in cash or by writing a check directly to the plumber. Cash is often preferred as it's immediate, but a personal check is also acceptable.

5. Offer Refreshments: In addition to a monetary tip, you can offer the plumber refreshments like water, tea, or coffee. This gesture is appreciated, especially on hot days or during lengthy repairs.

6. Write a Thank You Note: Along with the tip, consider writing a short thank-you note expressing your appreciation for their service. This personal touch can make the tip even more meaningful.

7. No Tipping for Consultations: If a plumber comes to your home for a consultation or assessment but doesn't perform any actual repairs, tipping is not expected.

8. Use Your Discretion: Ultimately, the decision to tip and the amount you tip should be based on your discretion and your assessment of the plumber's work and professionalism.

9. Consider Your Budget: It's important to tip within your budget. While tipping is a kind gesture, it should not cause financial strain.

Remember that tipping is meant to acknowledge and reward excellent service. If you had a negative experience or were dissatisfied with the service provided, you are not obligated to tip. Instead, you can provide feedback to the plumbing company or seek a resolution to any issues you may have encountered.