To my knowledge Intools help in Increasing the efficiency and decreases minor errors like draftying mistakes, revisions etc in the project.
As Intools is acceptable software for almost all companies I think learning intools will add some more points to your carrier. about training program and fees you need to be in contact with rolta. Intools is very clear and you can learn easly with in less time. about job oppurtunities.. as you have specified you have 5.8yrs in Industry by adding Intools you will have more oppurtunites.