Group 1 - The self-service bakery trend is gaining popularity, with brands like 21cake offering breakfast bread buffets at competitive prices, such as 19.9 yuan per person [1][2] - 21cake's breakfast buffet includes over 10 types of bread, drinks, and sauces, available from 9:30 to 11:30 AM, with a focus on value for money [1][2] - Other brands, such as 原麦山丘, have also adopted similar self-service models, with varying price points ranging from 19.9 yuan to nearly 200 yuan, indicating a diverse market strategy [2][3] Group 2 - The pricing strategy of bakery brands is shifting towards affordability, with many brands introducing products priced between 4 to 18 yuan, aiming to attract more customers [3] - The self-service model is seen as a way to enhance customer engagement and sales, leveraging both online and offline channels for promotion [2][3] - Despite the appeal of "all-you-can-eat" offers, some consumers express concerns about the variety and quality of available options, suggesting a need for brands to continuously innovate [2][3]