MTL - The Rebirth of the Financial Hegemon - ~ please explain

An engagement paper to lock one’s destiny. With her family facing financial difficulties, she marries into the family of the richest man in Qingzhou as his wife. Her Mother-In-Law’s doubtfulness; her husband’s childhood sweetheart; her mean elder sister-in-law; her narrow-minded younger sister-in-law… Being inferior, Sang Wan withdraws without a choice. As time passed, she ended up being lonely and died tragically.

In her past life, she lived with guilt all her life, and even when she finally saw her enemies get their retribution, it could not heal the deep scars in her heart.Rebirth finally gave her the chance to turn everything around.Armed with her inherited space and a wealth of materials, watch how she compensates for her regrets and harvests a fulfilling and happy life in that era of material scarcity...But why was the icy, indifferent man, whom she had a vague liking for in her past life, still so devilishly clever, so ruthlessly exposing her biggest secret so quickly?The new book “The Fierce and Charming Wife's Rebirth” was released on May 31.The new book “The Space of the Shepherd's Delicate Wife's Rebirth” has been uploaded.

The eternal struggle between good and evil, Qin Shuang steps onto the path of cultivating, meeting various heroic individuals on her way to immortality, experiencing various events on her journey.

- Description from Novelupdates

Noah Carter wasn't special. A broke programmer working from his cluttered studio apartment, he spent his days applying for jobs, getting rejected, and scraping by with low-paying freelance gigs.One ordinary Tuesday, while debugging code at 3 AM surrounded by energy drink cans and ramen cups, Noah accidentally broke reality.He didn't mean to... it just sort of... happened.A system message appeared, floating in his vision. The Idle Tycoon System had chosen him. His first shop: a small bakery in a Magical Medieval world where demons, dragons and half-humans exist.Every sale generated automatic income, day after day. Every new world unlocked new opportunities.Noah brought it all back to Earth, selling what he could, keeping what he couldn't. One shop became two. Two became a hundred. A network spanning dimensions, time periods, and realities—all generating income while he slept.Countless years later, Noah raised his head from his pillow and realized something unexpected. The broke programmer who couldn't land an interview had become the richest man in the universe!