ok, 60 is to cold. I would suggest that you get this heat bulb, I have used them in the past and they are the best.
http://www.petsmart.com/product/inde...uctId=11147193
They can be left on 24/7 (and should be) they do effect humidity but not as much as a white bulb. the 50 or 75 watt versions are your best bet.
*I'm in college and completely understand that money can be tight. the hydrofarms will do what you need them to do. Ball Pythons do live for 20+ years so just keep the herpstats in mind.