>>3099515A roll of film will cost about $3 if you get a good deal. Processing the film will cost about $12 if you get a good deal. So you will have about $18 in it to take some decent photos. But that's assuming you buy in bulk and process in bulk. You'll probably end up spending about $50 at least to take some photos you want to keep.
$50 will buy a nice used portrait lens with an aperture of f/2 or better. And will also go a long way towards a camera to fit it onto...
One of those Fuji's recently sold on ebay for $50, you know.