Payment fraud: Paid review services may be vulnerable to payment fraud.
Unreliable services: Reviews posted through paid review services may be unreliable and untrustworthy.
Spamming: Paid review services may be used to spam a website or product with fake reviews.
Misleading reviews: Paid reviews may be misleading and inaccurate, harming the reputation of a business.
Legal issues: Businesses engaging in paid reviews may be subject to legal action from regulators or competitors.