"Buy PTE Certificate" services are often flagged as fraud
https://pte-certificate-for-saleiliw033.alderbrief.com/posts/the-sage-advice-on-pte-certificate-in-a-week-from-an-older-five-year-old
"Buy PTE Certificate" services are often flagged as scams. Build a strong strategy: research study with quality resources, improve fluency and grammar, and after that take the PTE test for genuine confirmation.