Presuming you didn't camp what kind of money did you spent on hotels/hostels? (If you don't mind me asking)
No problem... my average hotel cost per night came out at £51. This included 3 nights at a Marriot in Prague, a Hilton in Dortmund, a Marriot in Vienna for 2 nights, a decent place in Budapest, a couple of Holiday Inn Express in Germany, the Crowne Plaza in Antwerp, a Sheraton in Dornbirn and a Hotel Ibis in Innsbruck (Ironically the most expensive hotel on the entire trip!).
Sadly an annoying additional cost on top was parking. I think I ended up spending almost £200 on hotel parking.