550 fico for personal loan

If you dispute with the CRA's online, you get an e-mail sent from them stating they received your dispute in a certain date and time.
Has not been reported to a collection agency within the last 10 years.
Is it acceptable to sign up for this service to get copies of your reports and scores and then cancel before the end of the trial period, effectively getting the reports for free?
(550 fico for personal loan) The people on this board have helped me a lot---even if I don't post that often, I've learned that I'm not alone in this nightmare!!