I totally understand! I'm the same way.
And ugh, college. >_< That's definitely a time suck. I guess I'm lucky right now in that I graduated last May and am currently unemployed, so I have time. Though I'm probably going to be spending it all on making just my one cosplay. XD; I've always been in awe of people who are able to make several cosplays for one convention.
Good luck with your classes!
~*~A-Kon 2013 Cosplay~*~