How much is to much?

One question I don't see answered much on here is about paying for PT school and the debt that comes with the journey of becoming a PT. I have no student loans from undergrad, but the schools that I could potentially attend next year are all expensive private schools. I know I want to be a PT, but I also want to be financially stable. For 3 years of school, some programs may end up costing me 125k-150k. I know there are forgiveness programs, grants, and scholarships that I can find, but a... How much is to much?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums