The price or fee you will pay is decided by the worker or the company offering the job. You will get bids that will quote the price. To know more about this method, kindly visit https://support.tradie.pro/documentation/i-posted-my-job-whats-next/.
What to do after posting a job?
Once you have posted a job, you can wait to get offers and bids on your job. Or you can also read the- I posted