I was dissatisfied with my encounter with GBYAN as an experienced cook. Their products and customer service fell short of my standards, despite their claim to be more than just a retailer of kitchen and home essentials. They have a small selection of products and not much to give advanced users. Although their products are of excellent quality, I can find better alternatives elsewhere. In addition, their customer support staff is not knowledgeable or skilled enough to help advanced users like myself. Overall, I would not advise advanced cooks seeking to improve their culinary skills to use GBYAN. While they might be appropriate for beginners, advanced users will find them to be a disappointing option due to their lack of diversity and skill.