I am also thinking of doing a rating but only if i have a job guarantee
There was a very long standing and famous quote on a 'sticky' thread on this forum for years.
THERE ARE NO GUARANTEES WITH ANY OF IT
You will have to risk paying for a TR. No airline will sign a contract FIRST, giving you a job if you pay for a TR.
They might take you on afterwards ONLY if they are short of candidates with ZERO experience.