Forget Chip Jockey, he's a hoax.
Back to the question......
Owning a light single I would say that the more i fly the more I save (or at least I convince myself of that).
Fixed costs: Insurance and maintenance. Own hangarage on farm so not an issue (if that's okay with Chip Jockey)
Variable Costs: Fuel, Landing fees, GPS batteries (!), oil.
As an aircraft owner one must not forget that these things appreciate over time. I bought a four place Cessna for 28k and sold it after four years for 34k. The 1.5k appreciation per year actually paid 50% of my flying costs I suppose...............hourly cost for that period was £20 per hour.
Otherwise I cost it at around £43 per hour based on an 85 hrs per year budget.