[raisemyrent]

yes, they do, even williams who has been on a downward spiral in the last few years posted a profit last year, and even went into the stock exchange (it didn't help that it does ever worse).
ferrari spend hundreds of millions but say that it is an essential activity for their road car sales.
I think that all teams make money; nobody does anything for free. Honda, Toyota, and BMW did withdraw a couple years back, though, because of the global crisis. So when it's not profitable or worth it, they fold. good rule of thumb: if they're around, they're making money or achieving whatever it is they're after.

p.s. google formula money