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A Practical Framework for Weld Troubleshooting 
How to Troubleshoot Lack of Fusion and Incomplete Penetration
How to Troubleshoot Weld Distortion
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Assuming that weld sizes called out in welding symbols are suggestions rather than requirements can result in a tremendous amount of overwelding and fabriction cost increases.
The Reason Behind AWS D1.1 Minimum Fillet Weld Sizes

This blog post dives deep into a seemingly simple topic: minimum fillet weld sizes. You'll discover why the common belief that these sizes are just about strength is actually incorrect. Learn the real metallurgical reason behind these design rules (found in codes like AWS D1.1 and AISC 360-16): preventing embrittlement and costly hydrogen-induced cracking from rapid cooling, even in low carbon steels. We'll also cover crucial details like welding dissimilar thicknesses and the requirement for single-pass welds for these minimums. Finally, understand how this overlooked aspect connects to the widespread and expensive problem of overwelding in our industry.

5 Questions and Answers You Must Know for the CWI Exam
Assuming that weld sizes called out in welding symbols are suggestions rather than requirements can result in a tremendous amount of overwelding and fabriction cost increases.
Rule of Thumb for Fillet Weld Sizes

Don't let overwelding inflate your fabrication costs! This blog post explores the "Rule of Thumb for Fillet Weld Sizes," a common guideline that can save you significant time and material. Learn when this rule applies, its underlying assumptions, and how understanding minimum weld sizes can lead to substantial savings, even without a design engineer on staff. Discover practical examples and considerations to optimize your welding operations and avoid unnecessary expenses.

Bigger (Weld) Is Not Always Better
12 Ideas to Reduce Welding Costs
Fillet Weld Leg Sizes Are Meaningless!
9 Basic Steps to Read Welding Symbols

Interpreting welding symbols is a crucial skill for welders, though often overlooked in training. This basic guide breaks down the essential components of welding symbols, starting with the arrow and reference line, and explains how they convey vital information about weld type, size, length, and location. It highlights common symbols for fillet welds, including how to read length and pitch for intermittent welds, and emphasizes important notations like the "field weld" flag and "weld all around" circle.