In a word Charlie 'NO'
You know the quality of the tiling when you see the jobs on here that are generally done at knock down prices!
Would you be happy keeping your prices down, what you don't want to do is to get into a p*****g contest against other tilers.
If a customer says to me X tiler can do it for this price, I tell them that either materials are inferior and not right for the job or the quality of workmanship will not be up to your required standards, or both. That is why I charge what I charge and you will get a quality job.
As Doug says people remember good quality jobs, see my signature.