Not much of a fix, but Bioware is looking into the increased repair costs since the patch 1.7 update. There is already a 500 reply thread on the SWTOR official forums about this.
A Summary of Increased Repair Cost Problems (for BW/EA) | 02.15.2013, 06:38 PM
I just wanted to step in here to let you know that we are actively investigating this and we will update you as soon as we have more information. We apologize for the inconvenience, but rest assured that we’re looking into it.
Joveth Gonzalez | Online Community Manager