Desperately need help. I fell for a scam and I don’t know if it’s too late

A 22-year-old college student fell victim to a scam while selling an item on Facebook Marketplace. The scammer used fake Zelle and PayPal payment claims, requested money for account upgrades, and sent fraudulent mobile checks, leading the victim to send over $1,600 via Cash App, Bitcoin, and bank transfers before realizing the fraud.