Well, 'Naruto's Golden Fortune' is a fanfiction that might be what you're looking for. In it, Naruto discovers a hidden treasure that makes him extremely wealthy. He then uses this wealth to build new facilities in the village, like advanced training grounds. This not only helps him grow as a ninja but also benefits the entire Hidden Leaf community. There's also a story where Naruto becomes rich through his own business ventures in the ninja world, which is quite unique in the 'naruto rich fanfiction' genre.
One great 'naruto rich fanfiction' is 'The Wealthy Ninja'. It explores Naruto having access to vast amounts of wealth and how it changes his relationships and the way he approaches his ninja duties. Another is 'Rich Naruto: A New Path' which delves into Naruto using his new - found riches to improve the Hidden Leaf Village in ways that were previously unimaginable.
Chapter 635, "Forced Return to the Time-Space Administration", is the clearest early answer because it pushes Su Yinwan into a new phase or setting. The chapter turns that into something concrete by moving from But Pei Ye was much quicker than she had imagined.
Chapter 719, "Borrowing Their Luck", is the clearest early answer because it turns Chang Rong's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Chang Rong: "Hmph, it has nothing to do with me anyway, since no one...
Chapter 697, "This is Plagiarism!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. It opens with But despite all precautions, they failed to prevent it. and closes on Xiao Ye wiped her tears and looked at her imploringly, "Miss Jiang,....
Chapter 558, "The Love-Struck, Flirty Wife Appears", is the clearest early answer because it turns Xiao Chun's situation into a concrete plot event. The setup is These people's comments are just too unpleasant;
Chapter 1 is the strongest chapter-level answer because it starts from Jiang Li, I'm warning you, don't set your sights on Yinwan anymore, or... and follows through on Yet before she had the chance to teach her a lesson, the male lead arrived....
Chapter 817, "Killed by Me", is the clearest early answer because the violence around Killed becomes final instead of hypothetical. A useful checkpoint is the way the scene starts with Jiang Buchen leaned against Meng Wanzhi's chest and thoughtfully...
Chapter 705, "Is She Her Own Destined Noble Person?!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter gives readers a real answer by opening on He Wen was made to laugh by Bai Lu.
Chapter 745, "I'm Pregnant", is the clearest early answer because it turns Shu Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from Several people finally met Shu Yan in the hospital ward.
Chapter 838, "Just Call Me Grandpa", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. The chapter turns that into something concrete by moving from Gu Qiang's expression was subtle as well.
Chapter 707, "I am Daoist Qingfeng", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event.