YBHI..... if you are overnighting, Herts or Avis or whatever can book you a car. Go to Silverton for a sandwich and beer at lunchtime. Do the galleries, don't miss the Council's regional gallery either!
I usually stay at the Charles Rasp - good plain motel. Visit the miners memorial on top of the mullock heap and if you have the dollars and the company
go to the attached restaurant for dinner around sunset.
Caution. YBHI often has quite a bit of low level turbulence because of the hills. Watch it on final, especially on 05/23 if there is a bit of crosswind. Don't be afraid to use 32, it's dirt, but with concrete at the end.
If you want to go a few more hours (about 1.5 either way from YBHI), fly across Lake Frome to Arkaroola resort (650M dirt) and stay overnight. Fuel up there or at YLEC which is only about half an hour away. Talk to Doug Sprigg at the resort first, he uses the strip most days.
Then there is the Dig Tree excursion (ring Bomber Harris..."You married?", "Do you like Dogs?", "It gets lonely around here."). 1400M dirt strip, $11.00 landing fee, car or aircraft.
Then there is YTIB...... I could go on.