'[He] spent almost $1300 on these girls': Woman discovers so-called 'frugal' boyfriend's infidelity, gets even while he's on vacation

This lady decided it was time for her soon-to-be ex to pay up! After he spent the majority of their relationship refusing to pay for more than his fair share when he made over $100K more annually through his job, his girlfriend discovered that he had been spending nearly $1300 on other women. I guess it's hard to be frugal with your partner when you're spending so much money outside of the relationship. 

It gets better, though. She discovered the truth about all these other women while staying at his place when he was on vacation with his brother. So what did the Redditor, who shared her side of the story via this r/pettyrevenge subreddit, decide to do next? Well, she started her vengeance by ensuring that his electricity bill next month would be a whole lot higher. Keep scrolling below for the full story. When you're done, check out this story about a woman who used her cat to get payback on her neighbor.