I believe the test date change deadline is May 24, so you could reassess by then? That's what I'm doing :) There's a fee of $85 to change your test date. I guess that's assuming if you registered already.
... to register, plus $80ish credentials fee, plus school app fees, plus ... some random $28 fee just because LSAC seem to ... fees... Oh yeah, plus the fee for this course (which so ...
no... they charge a $30 fee for each law school report they generate, which you will need to send to each school: http://www.lsac.org//jd/applying-to-law-school/cas/law-school-reports/?view=1
if you file a complaint you have the option to cancel your score (either way it MAY be delayed) and if you decide to cancel you will most likely be given a waiver to retake the LSAT for free (can't remember if you still get a count towards your 3)