Love and the Lottery by Harri Beaumont

Lizzy, a student about to graduate from St. Andrews University, has narcissistic parents. After a nasty divorce, they realized supporting their only daughter was a gross misuse of available resources. So they cut her off.
St. Andrews is a place famous for royalty and rich kids… Great.
Lizzy’s boyfriend Patrick is perfect: rich, good looking, destined for a high-powered career in accounting… Lizzy knows something’s off, but she’s got other things to worry about, like finding a job and moving to London.
But when intelligent, successful, flirtatious Will gets back in touch, she knows she’s in trouble. And then she wins the lottery. She tries to hide it, but of course, that can’t last forever…

This book contains topics that some might find disturbing, including gambling, narcissism, and neglect.