John Bruno on the high cost of free.
Talking to a producer/line-producer I just heard of another way saving money is more expensive: if you have a production which is reliant on tax credits for financing and you think if you go for a cheaper rental (where you have to pay in cash) it can end of costing you considerably over a rental (where you pay by check.)
on shooting sex scenes. She lists a lot of cool products one can use to "cover up" with. If you're doing nudity and you want tools to make not-nude seem nude, or nude to be non-explicit nude it's a great article to check out.